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Formatted all files to the same standard

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This commit is contained in:
matthew 2014-10-08 13:42:12 +01:00
parent 53a2a8b150
commit 3da9ad5469
151 changed files with 952 additions and 870 deletions
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26
abstract-factory/src/main/java/com/iluwatar/App.java
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@ -12,18 +12,18 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
createKingdom(new ElfKingdomFactory());
createKingdom(new OrcKingdomFactory());
}
public static void main(String[] args) {
createKingdom(new ElfKingdomFactory());
createKingdom(new OrcKingdomFactory());
}
public static void createKingdom(KingdomFactory factory) {
King king = factory.createKing();
Castle castle = factory.createCastle();
Army army = factory.createArmy();
System.out.println("The kingdom was created.");
System.out.println(king);
System.out.println(castle);
System.out.println(army);
}
public static void createKingdom(KingdomFactory factory) {
King king = factory.createKing();
Castle castle = factory.createCastle();
Army army = factory.createArmy();
System.out.println("The kingdom was created.");
System.out.println(king);
System.out.println(castle);
System.out.println(army);
}
}

2
abstract-factory/src/main/java/com/iluwatar/KingdomFactory.java
View File

@ -8,7 +8,9 @@ package com.iluwatar;
public interface KingdomFactory {
Castle createCastle();
King createKing();
Army createArmy();
}

8
adapter/src/main/java/com/iluwatar/App.java
View File

@ -14,8 +14,8 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
GnomeEngineeringManager manager = new GnomeEngineeringManager();
manager.operateDevice();
}
public static void main(String[] args) {
GnomeEngineeringManager manager = new GnomeEngineeringManager();
manager.operateDevice();
}
}

5
adapter/src/main/java/com/iluwatar/GnomeEngineer.java
View File

@ -2,9 +2,8 @@ package com.iluwatar;
/**
*
* Adapter class. Adapts the interface of the device
* (GoblinGlider) into Engineer interface expected
* by the client (GnomeEngineeringManager).
* Adapter class. Adapts the interface of the device (GoblinGlider) into
* Engineer interface expected by the client (GnomeEngineeringManager).
*
*/
public class GnomeEngineer implements Engineer {

3
adapter/src/main/java/com/iluwatar/GnomeEngineeringManager.java
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@ -2,8 +2,7 @@ package com.iluwatar;
/**
*
* GnomeEngineering manager uses Engineer to
* operate devices.
* GnomeEngineering manager uses Engineer to operate devices.
*
*/
public class GnomeEngineeringManager implements Engineer {

37
bridge/src/main/java/com/iluwatar/App.java
View File

@ -9,24 +9,27 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
BlindingMagicWeapon blindingMagicWeapon = new BlindingMagicWeapon(new Excalibur());
blindingMagicWeapon.wield();
blindingMagicWeapon.blind();
blindingMagicWeapon.swing();
blindingMagicWeapon.unwield();
public static void main(String[] args) {
BlindingMagicWeapon blindingMagicWeapon = new BlindingMagicWeapon(
new Excalibur());
blindingMagicWeapon.wield();
blindingMagicWeapon.blind();
blindingMagicWeapon.swing();
blindingMagicWeapon.unwield();
FlyingMagicWeapon flyingMagicWeapon = new FlyingMagicWeapon(new Mjollnir());
flyingMagicWeapon.wield();
flyingMagicWeapon.fly();
flyingMagicWeapon.swing();
flyingMagicWeapon.unwield();
FlyingMagicWeapon flyingMagicWeapon = new FlyingMagicWeapon(
new Mjollnir());
flyingMagicWeapon.wield();
flyingMagicWeapon.fly();
flyingMagicWeapon.swing();
flyingMagicWeapon.unwield();
SoulEatingMagicWeapon soulEatingMagicWeapon = new SoulEatingMagicWeapon(new Stormbringer());
soulEatingMagicWeapon.wield();
soulEatingMagicWeapon.swing();
soulEatingMagicWeapon.eatSoul();
soulEatingMagicWeapon.unwield();
SoulEatingMagicWeapon soulEatingMagicWeapon = new SoulEatingMagicWeapon(
new Stormbringer());
soulEatingMagicWeapon.wield();
soulEatingMagicWeapon.swing();
soulEatingMagicWeapon.eatSoul();
soulEatingMagicWeapon.unwield();
}
}
}

3
bridge/src/main/java/com/iluwatar/Excalibur.java
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@ -19,7 +19,8 @@ public class Excalibur extends BlindingMagicWeaponImp {
@Override
public void blindImp() {
System.out.println("bright light streams from Excalibur blinding the enemy");
System.out
.println("bright light streams from Excalibur blinding the enemy");
}
}

3
bridge/src/main/java/com/iluwatar/Mjollnir.java
View File

@ -19,7 +19,8 @@ public class Mjollnir extends FlyingMagicWeaponImp {
@Override
public void flyImp() {
System.out.println("Mjollnir hits the enemy in the air and returns back to the owner's hand");
System.out
.println("Mjollnir hits the enemy in the air and returns back to the owner's hand");
}
}

33
builder/src/main/java/com/iluwatar/App.java
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@ -17,27 +17,22 @@ import com.iluwatar.Hero.HeroBuilder;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
Hero mage = new HeroBuilder(Profession.MAGE, "Riobard")
.withHairColor(HairColor.BLACK)
.withWeapon(Weapon.DAGGER)
.build();
System.out.println(mage);
Hero mage = new HeroBuilder(Profession.MAGE, "Riobard")
.withHairColor(HairColor.BLACK).withWeapon(Weapon.DAGGER)
.build();
System.out.println(mage);
Hero warrior = new HeroBuilder(Profession.WARRIOR, "Amberjill")
.withHairColor(HairColor.BLOND)
.withHairType(HairType.LONG_CURLY)
.withArmor(Armor.CHAIN_MAIL)
.withWeapon(Weapon.SWORD)
.build();
System.out.println(warrior);
Hero warrior = new HeroBuilder(Profession.WARRIOR, "Amberjill")
.withHairColor(HairColor.BLOND)
.withHairType(HairType.LONG_CURLY).withArmor(Armor.CHAIN_MAIL)
.withWeapon(Weapon.SWORD).build();
System.out.println(warrior);
Hero thief = new HeroBuilder(Profession.THIEF, "Desmond")
.withHairType(HairType.BALD)
.withWeapon(Weapon.BOW)
.build();
System.out.println(thief);
Hero thief = new HeroBuilder(Profession.THIEF, "Desmond")
.withHairType(HairType.BALD).withWeapon(Weapon.BOW).build();
System.out.println(thief);
}
}
}

18
builder/src/main/java/com/iluwatar/Armor.java
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@ -7,11 +7,19 @@ public enum Armor {
@Override
public String toString() {
String s = "";
switch(this) {
case CLOTHES: s = "clothes"; break;
case LEATHER: s = "leather armor"; break;
case CHAIN_MAIL: s = "chain mail"; break;
case PLATE_MAIL: s = "plate mail"; break;
switch (this) {
case CLOTHES:
s = "clothes";
break;
case LEATHER:
s = "leather armor";
break;
case CHAIN_MAIL:
s = "chain mail";
break;
case PLATE_MAIL:
s = "plate mail";
break;
}
return s;
}

22
builder/src/main/java/com/iluwatar/HairColor.java
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@ -7,12 +7,22 @@ public enum HairColor {
@Override
public String toString() {
String s = "";
switch(this) {
case WHITE: s = "white"; break;
case BLOND: s = "blond"; break;
case RED: s = "red"; break;
case BROWN: s = "brown"; break;
case BLACK: s = "black"; break;
switch (this) {
case WHITE:
s = "white";
break;
case BLOND:
s = "blond";
break;
case RED:
s = "red";
break;
case BROWN:
s = "brown";
break;
case BLACK:
s = "black";
break;
}
return s;
}

22
builder/src/main/java/com/iluwatar/HairType.java
View File

@ -7,12 +7,22 @@ public enum HairType {
@Override
public String toString() {
String s = "";
switch(this) {
case BALD: s = "bold"; break;
case SHORT: s = "short"; break;
case CURLY: s = "curly"; break;
case LONG_STRAIGHT: s = "long straight"; break;
case LONG_CURLY: s = "long curly"; break;
switch (this) {
case BALD:
s = "bold";
break;
case SHORT:
s = "short";
break;
case CURLY:
s = "curly";
break;
case LONG_STRAIGHT:
s = "long straight";
break;
case LONG_CURLY:
s = "long curly";
break;
}
return s;
}

3
builder/src/main/java/com/iluwatar/Hero.java
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@ -94,7 +94,8 @@ public class Hero {
public HeroBuilder(Profession profession, String name) {
if (profession == null || name == null) {
throw new NullPointerException("profession and name can not be null");
throw new NullPointerException(
"profession and name can not be null");
}
this.profession = profession;
this.name = name;

18
builder/src/main/java/com/iluwatar/Profession.java
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@ -7,11 +7,19 @@ public enum Profession {
@Override
public String toString() {
String s = "";
switch(this) {
case WARRIOR: s = "Warrior"; break;
case THIEF: s = "Thief"; break;
case MAGE: s = "Mage"; break;
case PRIEST: s = "Priest"; break;
switch (this) {
case WARRIOR:
s = "Warrior";
break;
case THIEF:
s = "Thief";
break;
case MAGE:
s = "Mage";
break;
case PRIEST:
s = "Priest";
break;
}
return s;
}

22
builder/src/main/java/com/iluwatar/Weapon.java
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@ -7,12 +7,22 @@ public enum Weapon {
@Override
public String toString() {
String s = "";
switch(this) {
case DAGGER: s = "dagger"; break;
case SWORD: s = "sword"; break;
case AXE: s = "axe"; break;
case WARHAMMER: s = "warhammer"; break;
case BOW: s = "bow"; break;
switch (this) {
case DAGGER:
s = "dagger";
break;
case SWORD:
s = "sword";
break;
case AXE:
s = "axe";
break;
case WARHAMMER:
s = "warhammer";
break;
case BOW:
s = "bow";
break;
}
return s;
}

13
chain/src/main/java/com/iluwatar/App.java
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@ -10,12 +10,13 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
OrcKing king = new OrcKing();
king.makeRequest(new Request(RequestType.DEFEND_CASTLE, "defend castle"));
king.makeRequest(new Request(RequestType.TORTURE_PRISONER, "torture prisoner"));
king.makeRequest(new Request(RequestType.COLLECT_TAX, "collect tax"));
OrcKing king = new OrcKing();
king.makeRequest(new Request(RequestType.DEFEND_CASTLE, "defend castle"));
king.makeRequest(new Request(RequestType.TORTURE_PRISONER,
"torture prisoner"));
king.makeRequest(new Request(RequestType.COLLECT_TAX, "collect tax"));
}
}
}

4
chain/src/main/java/com/iluwatar/RequestType.java
View File

@ -2,8 +2,6 @@ package com.iluwatar;
public enum RequestType {
DEFEND_CASTLE,
TORTURE_PRISONER,
COLLECT_TAX
DEFEND_CASTLE, TORTURE_PRISONER, COLLECT_TAX
}

22
command/src/main/java/com/iluwatar/App.java
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@ -8,18 +8,18 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
Wizard wizard = new Wizard();
Goblin goblin = new Goblin();
public static void main(String[] args) {
Wizard wizard = new Wizard();
Goblin goblin = new Goblin();
goblin.printStatus();
goblin.printStatus();
wizard.castSpell(new ShrinkSpell(), goblin);
goblin.printStatus();
wizard.castSpell(new ShrinkSpell(), goblin);
goblin.printStatus();
wizard.castSpell(new InvisibilitySpell(), goblin);
goblin.printStatus();
wizard.undoLastSpell();
goblin.printStatus();
}
wizard.castSpell(new InvisibilitySpell(), goblin);
goblin.printStatus();
wizard.undoLastSpell();
goblin.printStatus();
}
}

5
command/src/main/java/com/iluwatar/Size.java
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@ -2,9 +2,7 @@ package com.iluwatar;
public enum Size {
SMALL,
NORMAL,
LARGE;
SMALL, NORMAL, LARGE;
@Override
public String toString() {
@ -27,5 +25,4 @@ public enum Size {
return s;
}
}

3
command/src/main/java/com/iluwatar/Target.java
View File

@ -26,6 +26,7 @@ public abstract class Target {
public abstract String toString();
public void printStatus() {
System.out.println(String.format("%s, size=%s visibility=%s", this, getSize(), getVisibility()));
System.out.println(String.format("%s, size=%s visibility=%s", this,
getSize(), getVisibility()));
}
}

3
command/src/main/java/com/iluwatar/Visibility.java
View File

@ -2,8 +2,7 @@ package com.iluwatar;
public enum Visibility {
VISIBLE,
INVISIBLE;
VISIBLE, INVISIBLE;
@Override
public String toString() {

18
composite/src/main/java/com/iluwatar/App.java
View File

@ -9,17 +9,17 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
System.out.println("Message from the orcs: ");
public static void main(String[] args) {
System.out.println("Message from the orcs: ");
LetterComposite orcMessage = new Messenger().messageFromOrcs();
orcMessage.print();
LetterComposite orcMessage = new Messenger().messageFromOrcs();
orcMessage.print();
System.out.println("\n");
System.out.println("\n");
System.out.println("Message from the elves: ");
System.out.println("Message from the elves: ");
LetterComposite elfMessage = new Messenger().messageFromElves();
elfMessage.print();
}
LetterComposite elfMessage = new Messenger().messageFromElves();
elfMessage.print();
}
}

2
composite/src/main/java/com/iluwatar/LetterComposite.java
View File

@ -26,7 +26,7 @@ public abstract class LetterComposite {
public void print() {
printThisBefore();
for (LetterComposite letter: children) {
for (LetterComposite letter : children) {
letter.print();
}
printThisAfter();

33
composite/src/main/java/com/iluwatar/Messenger.java
View File

@ -10,15 +10,20 @@ public class Messenger {
List<Word> words = new ArrayList<Word>();
words.add(new Word(Arrays.asList(new Letter('W'), new Letter('h'), new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'), new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('W'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('i'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('a'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('h'), new Letter('i'), new Letter('p'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'), new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('h'),
new Letter('i'), new Letter('p'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('i'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('a'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('a'), new Letter('y'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('a'),
new Letter('y'))));
return new Sentence(words);
@ -28,12 +33,18 @@ public class Messenger {
List<Word> words = new ArrayList<Word>();
words.add(new Word(Arrays.asList(new Letter('M'), new Letter('u'), new Letter('c'), new Letter('h'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('i'), new Letter('n'), new Letter('d'))));
words.add(new Word(Arrays.asList(new Letter('p'), new Letter('o'), new Letter('u'), new Letter('r'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('f'), new Letter('r'), new Letter('o'), new Letter('m'))));
words.add(new Word(Arrays.asList(new Letter('y'), new Letter('o'), new Letter('u'), new Letter('r'))));
words.add(new Word(Arrays.asList(new Letter('m'), new Letter('o'), new Letter('u'), new Letter('t'), new Letter('h'))));
words.add(new Word(Arrays.asList(new Letter('M'), new Letter('u'),
new Letter('c'), new Letter('h'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('i'),
new Letter('n'), new Letter('d'))));
words.add(new Word(Arrays.asList(new Letter('p'), new Letter('o'),
new Letter('u'), new Letter('r'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('f'), new Letter('r'),
new Letter('o'), new Letter('m'))));
words.add(new Word(Arrays.asList(new Letter('y'), new Letter('o'),
new Letter('u'), new Letter('r'))));
words.add(new Word(Arrays.asList(new Letter('m'), new Letter('o'),
new Letter('u'), new Letter('t'), new Letter('h'))));
return new Sentence(words);

3
composite/src/main/java/com/iluwatar/Sentence.java
View File

@ -5,7 +5,7 @@ import java.util.List;
public class Sentence extends LetterComposite {
public Sentence(List<Word> words) {
for (Word w: words) {
for (Word w : words) {
this.add(w);
}
}
@ -20,5 +20,4 @@ public class Sentence extends LetterComposite {
System.out.print(".");
}
}

2
composite/src/main/java/com/iluwatar/Word.java
View File

@ -5,7 +5,7 @@ import java.util.List;
public class Word extends LetterComposite {
public Word(List<Letter> letters) {
for (Letter l: letters) {
for (Letter l : letters) {
this.add(l);
}
}

20
decorator/src/main/java/com/iluwatar/App.java
View File

@ -9,16 +9,16 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
System.out.println("A simple looking troll approaches.");
Hostile troll = new Troll();
troll.attack();
troll.fleeBattle();
System.out.println("A simple looking troll approaches.");
Hostile troll = new Troll();
troll.attack();
troll.fleeBattle();
System.out.println("\nA smart looking troll surprises you.");
Hostile smart = new SmartTroll(new Troll());
smart.attack();
smart.fleeBattle();
}
System.out.println("\nA smart looking troll surprises you.");
Hostile smart = new SmartTroll(new Troll());
smart.attack();
smart.fleeBattle();
}
}

1
decorator/src/main/java/com/iluwatar/Hostile.java
View File

@ -3,6 +3,7 @@ package com.iluwatar;
public interface Hostile {
void attack();
void fleeBattle();
}

25
double-checked-locking/src/main/java/com/iluwatar/App.java
View File

@ -12,16 +12,17 @@ import java.util.concurrent.Executors;
*/
public class App {
public static void main(String[] args) {
final Inventory inventory = new Inventory(1000);
ExecutorService executorService = Executors.newFixedThreadPool(3);
for (int i = 0; i < 3; i++) {
executorService.execute(new Runnable() {
@Override
public void run() {
while (inventory.addItem(new Item()));
}
});
}
}
public static void main(String[] args) {
final Inventory inventory = new Inventory(1000);
ExecutorService executorService = Executors.newFixedThreadPool(3);
for (int i = 0; i < 3; i++) {
executorService.execute(new Runnable() {
@Override
public void run() {
while (inventory.addItem(new Item()))
;
}
});
}
}
}

11
double-checked-locking/src/main/java/com/iluwatar/Inventory.java
View File

@ -5,7 +5,6 @@ import java.util.List;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
public class Inventory {
private int inventorySize;
@ -17,16 +16,16 @@ public class Inventory {
this.items = new ArrayList<Item>(inventorySize);
}
public boolean addItem(Item item){
if(items.size()<inventorySize){
public boolean addItem(Item item) {
if (items.size() < inventorySize) {
lock.lock();
try{
if(items.size()<inventorySize){
try {
if (items.size() < inventorySize) {
items.add(item);
System.out.println(Thread.currentThread());
return true;
}
}finally{
} finally {
lock.unlock();
}
}

12
facade/src/main/java/com/iluwatar/App.java
View File

@ -7,10 +7,10 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
DwarvenGoldmineFacade facade = new DwarvenGoldmineFacade();
facade.startNewDay();
facade.digOutGold();
facade.endDay();
}
public static void main(String[] args) {
DwarvenGoldmineFacade facade = new DwarvenGoldmineFacade();
facade.startNewDay();
facade.digOutGold();
facade.endDay();
}
}

6
facade/src/main/java/com/iluwatar/DwarvenGoldmineFacade.java
View File

@ -15,20 +15,20 @@ public class DwarvenGoldmineFacade {
}
public void startNewDay() {
for (DwarvenMineWorker worker: workers) {
for (DwarvenMineWorker worker : workers) {
worker.wakeUp();
worker.goToMine();
}
}
public void digOutGold() {
for (DwarvenMineWorker worker: workers) {
for (DwarvenMineWorker worker : workers) {
worker.work();
}
}
public void endDay() {
for (DwarvenMineWorker worker: workers) {
for (DwarvenMineWorker worker : workers) {
worker.goHome();
worker.goToSleep();
}

28
factory-method/src/main/java/com/iluwatar/App.java
View File

@ -9,20 +9,20 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
Blacksmith blacksmith;
Weapon weapon;
public static void main(String[] args) {
Blacksmith blacksmith;
Weapon weapon;
blacksmith = new OrcBlacksmith();
weapon = blacksmith.manufactureWeapon(WeaponType.SPEAR);
System.out.println(weapon);
weapon = blacksmith.manufactureWeapon(WeaponType.AXE);
System.out.println(weapon);
blacksmith = new OrcBlacksmith();
weapon = blacksmith.manufactureWeapon(WeaponType.SPEAR);
System.out.println(weapon);
weapon = blacksmith.manufactureWeapon(WeaponType.AXE);
System.out.println(weapon);
blacksmith = new ElfBlacksmith();
weapon = blacksmith.manufactureWeapon(WeaponType.SHORT_SWORD);
System.out.println(weapon);
weapon = blacksmith.manufactureWeapon(WeaponType.SPEAR);
System.out.println(weapon);
}
blacksmith = new ElfBlacksmith();
weapon = blacksmith.manufactureWeapon(WeaponType.SHORT_SWORD);
System.out.println(weapon);
weapon = blacksmith.manufactureWeapon(WeaponType.SPEAR);
System.out.println(weapon);
}
}

15
factory-method/src/main/java/com/iluwatar/WeaponType.java
View File

@ -7,13 +7,18 @@ public enum WeaponType {
@Override
public String toString() {
String s = "";
switch(this) {
case SHORT_SWORD: s = "short sword"; break;
case SPEAR: s = "spear"; break;
case AXE: s = "axe"; break;
switch (this) {
case SHORT_SWORD:
s = "short sword";
break;
case SPEAR:
s = "spear";
break;
case AXE:
s = "axe";
break;
}
return s;
}
}

4
flyweight/src/main/java/com/iluwatar/AlchemistShop.java
View File

@ -43,13 +43,13 @@ public class AlchemistShop {
System.out.println("Enumerating top shelf potions\n");
for (Potion p: topShelf) {
for (Potion p : topShelf) {
p.drink();
}
System.out.println("\nEnumerating bottom shelf potions\n");
for (Potion p: bottomShelf) {
for (Potion p : bottomShelf) {
p.drink();
}

8
flyweight/src/main/java/com/iluwatar/App.java
View File

@ -9,8 +9,8 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
AlchemistShop alchemistShop = new AlchemistShop();
alchemistShop.enumerate();
}
public static void main(String[] args) {
AlchemistShop alchemistShop = new AlchemistShop();
alchemistShop.enumerate();
}
}

3
flyweight/src/main/java/com/iluwatar/HealingPotion.java
View File

@ -4,7 +4,8 @@ public class HealingPotion implements Potion {
@Override
public void drink() {
System.out.println("You feel healed. (Potion=" + System.identityHashCode(this) + ")");
System.out.println("You feel healed. (Potion="
+ System.identityHashCode(this) + ")");
}
}

3
flyweight/src/main/java/com/iluwatar/HolyWaterPotion.java
View File

@ -4,7 +4,8 @@ public class HolyWaterPotion implements Potion {
@Override
public void drink() {
System.out.println("You feel blessed. (Potion=" + System.identityHashCode(this) + ")");
System.out.println("You feel blessed. (Potion="
+ System.identityHashCode(this) + ")");
}
}

3
flyweight/src/main/java/com/iluwatar/InvisibilityPotion.java
View File

@ -4,7 +4,8 @@ public class InvisibilityPotion implements Potion {
@Override
public void drink() {
System.out.println("You become invisible. (Potion=" + System.identityHashCode(this) + ")");
System.out.println("You become invisible. (Potion="
+ System.identityHashCode(this) + ")");
}
}

3
flyweight/src/main/java/com/iluwatar/PoisonPotion.java
View File

@ -4,7 +4,8 @@ public class PoisonPotion implements Potion {
@Override
public void drink() {
System.out.println("Urgh! This is poisonous. (Potion=" + System.identityHashCode(this) + ")");
System.out.println("Urgh! This is poisonous. (Potion="
+ System.identityHashCode(this) + ")");
}
}

6
flyweight/src/main/java/com/iluwatar/PotionType.java
View File

@ -2,10 +2,6 @@ package com.iluwatar;
public enum PotionType {
HEALING,
INVISIBILITY,
STRENGTH,
HOLY_WATER,
POISON;
HEALING, INVISIBILITY, STRENGTH, HOLY_WATER, POISON;
}

3
flyweight/src/main/java/com/iluwatar/StrengthPotion.java
View File

@ -4,7 +4,8 @@ public class StrengthPotion implements Potion {
@Override
public void drink() {
System.out.println("You feel strong. (Potion=" + System.identityHashCode(this) + ")");
System.out.println("You feel strong. (Potion="
+ System.identityHashCode(this) + ")");
}
}

106
interpreter/src/main/java/com/iluwatar/App.java
View File

@ -10,57 +10,63 @@ import java.util.Stack;
*/
public class App {
/**
*
* Expressions can be evaluated using prefix, infix or postfix notations
* This sample uses postfix, where operator comes after the operands
*
*/
public static void main(String[] args) {
String tokenString = "4 3 2 - 1 + *";
Stack<Expression> stack = new Stack<>();
/**
*
* Expressions can be evaluated using prefix, infix or postfix notations
* This sample uses postfix, where operator comes after the operands
*
*/
public static void main(String[] args) {
String tokenString = "4 3 2 - 1 + *";
Stack<Expression> stack = new Stack<>();
String[] tokenList = tokenString.split(" ");
for (String s : tokenList) {
if (isOperator(s)) {
Expression rightExpression = stack.pop();
Expression leftExpression = stack.pop();
System.out.println(String.format("popped from stack left: %d right: %d",
leftExpression.interpret(), rightExpression.interpret()));
Expression operator = getOperatorInstance(s, leftExpression,
rightExpression);
System.out.println(String.format("operator: %s", operator));
int result = operator.interpret();
NumberExpression resultExpression = new NumberExpression(result);
stack.push(resultExpression);
System.out.println(String.format("push result to stack: %d", resultExpression.interpret()));
} else {
Expression i = new NumberExpression(s);
stack.push(i);
System.out.println(String.format("push to stack: %d", i.interpret()));
}
}
System.out.println(String.format("result: %d", stack.pop().interpret()));
}
String[] tokenList = tokenString.split(" ");
for (String s : tokenList) {
if (isOperator(s)) {
Expression rightExpression = stack.pop();
Expression leftExpression = stack.pop();
System.out
.println(String.format(
"popped from stack left: %d right: %d",
leftExpression.interpret(),
rightExpression.interpret()));
Expression operator = getOperatorInstance(s, leftExpression,
rightExpression);
System.out.println(String.format("operator: %s", operator));
int result = operator.interpret();
NumberExpression resultExpression = new NumberExpression(result);
stack.push(resultExpression);
System.out.println(String.format("push result to stack: %d",
resultExpression.interpret()));
} else {
Expression i = new NumberExpression(s);
stack.push(i);
System.out.println(String.format("push to stack: %d",
i.interpret()));
}
}
System.out
.println(String.format("result: %d", stack.pop().interpret()));
}
public static boolean isOperator(String s) {
if (s.equals("+") || s.equals("-") || s.equals("*")) {
return true;
} else {
return false;
}
}
public static boolean isOperator(String s) {
if (s.equals("+") || s.equals("-") || s.equals("*")) {
return true;
} else {
return false;
}
}
public static Expression getOperatorInstance(String s, Expression left,
Expression right) {
switch (s) {
case "+":
return new PlusExpression(left, right);
case "-":
return new MinusExpression(left, right);
case "*":
return new MultiplyExpression(left, right);
}
return null;
}
public static Expression getOperatorInstance(String s, Expression left,
Expression right) {
switch (s) {
case "+":
return new PlusExpression(left, right);
case "-":
return new MinusExpression(left, right);
case "*":
return new MultiplyExpression(left, right);
}
return null;
}
}

3
interpreter/src/main/java/com/iluwatar/MultiplyExpression.java
View File

@ -5,7 +5,8 @@ public class MultiplyExpression extends Expression {
private Expression leftExpression;
private Expression rightExpression;
public MultiplyExpression(Expression leftExpression, Expression rightExpression) {
public MultiplyExpression(Expression leftExpression,
Expression rightExpression) {
this.leftExpression = leftExpression;
this.rightExpression = rightExpression;
}

44
iterator/src/main/java/com/iluwatar/App.java
View File

@ -9,33 +9,33 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
TreasureChest chest = new TreasureChest();
public static void main(String[] args) {
TreasureChest chest = new TreasureChest();
ItemIterator ringIterator = chest.Iterator(ItemType.RING);
while (ringIterator.hasNext()) {
System.out.println(ringIterator.next());
}
ItemIterator ringIterator = chest.Iterator(ItemType.RING);
while (ringIterator.hasNext()) {
System.out.println(ringIterator.next());
}
System.out.println("----------");
System.out.println("----------");
ItemIterator potionIterator = chest.Iterator(ItemType.POTION);
while (potionIterator.hasNext()) {
System.out.println(potionIterator.next());
}
ItemIterator potionIterator = chest.Iterator(ItemType.POTION);
while (potionIterator.hasNext()) {
System.out.println(potionIterator.next());
}
System.out.println("----------");
System.out.println("----------");
ItemIterator weaponIterator = chest.Iterator(ItemType.WEAPON);
while (weaponIterator.hasNext()) {
System.out.println(weaponIterator.next());
}
ItemIterator weaponIterator = chest.Iterator(ItemType.WEAPON);
while (weaponIterator.hasNext()) {
System.out.println(weaponIterator.next());
}
System.out.println("----------");
System.out.println("----------");
ItemIterator it = chest.Iterator(ItemType.ANY);
while (it.hasNext()) {
System.out.println(it.next());
}
}
ItemIterator it = chest.Iterator(ItemType.ANY);
while (it.hasNext()) {
System.out.println(it.next());
}
}
}

5
iterator/src/main/java/com/iluwatar/ItemType.java
View File

@ -2,9 +2,6 @@ package com.iluwatar;
public enum ItemType {
ANY,
WEAPON,
RING,
POTION
ANY, WEAPON, RING, POTION
}

3
iterator/src/main/java/com/iluwatar/TreasureChestItemIterator.java
View File

@ -39,7 +39,8 @@ public class TreasureChestItemIterator implements ItemIterator {
tempIdx = -1;
break;
}
if (type.equals(ItemType.ANY) || items.get(tempIdx).getType().equals(type)) {
if (type.equals(ItemType.ANY)
|| items.get(tempIdx).getType().equals(type)) {
break;
}
}

30
mediator/src/main/java/com/iluwatar/App.java
View File

@ -8,21 +8,21 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
Party party = new PartyImpl();
Hobbit hobbit = new Hobbit();
Wizard wizard = new Wizard();
Rogue rogue = new Rogue();
Hunter hunter = new Hunter();
public static void main(String[] args) {
Party party = new PartyImpl();
Hobbit hobbit = new Hobbit();
Wizard wizard = new Wizard();
Rogue rogue = new Rogue();
Hunter hunter = new Hunter();
party.addMember(hobbit);
party.addMember(wizard);
party.addMember(rogue);
party.addMember(hunter);
party.addMember(hobbit);
party.addMember(wizard);
party.addMember(rogue);
party.addMember(hunter);
hobbit.act(Action.ENEMY);
wizard.act(Action.TALE);
rogue.act(Action.GOLD);
hunter.act(Action.HUNT);
}
hobbit.act(Action.ENEMY);
wizard.act(Action.TALE);
rogue.act(Action.GOLD);
hunter.act(Action.HUNT);
}
}

2
mediator/src/main/java/com/iluwatar/PartyImpl.java
View File

@ -13,7 +13,7 @@ public class PartyImpl implements Party {
@Override
public void act(PartyMember actor, Action action) {
for (PartyMember member: members) {
for (PartyMember member : members) {
if (member != actor) {
member.partyAction(action);
}

42
memento/src/main/java/com/iluwatar/App.java
View File

@ -11,26 +11,26 @@ import java.util.Stack;
*/
public class App {
public static void main(String[] args) {
Stack<StarMemento> states = new Stack<>();
public static void main(String[] args) {
Stack<StarMemento> states = new Stack<>();
Star star = new Star(StarType.SUN, 10000000, 500000);
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
while (states.size() > 0) {
star.setMemento(states.pop());
System.out.println(star);
}
}
Star star = new Star(StarType.SUN, 10000000, 500000);
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
states.add(star.getMemento());
star.timePasses();
System.out.println(star);
while (states.size() > 0) {
star.setMemento(states.pop());
System.out.println(star);
}
}
}

3
memento/src/main/java/com/iluwatar/Star.java
View File

@ -63,6 +63,7 @@ public class Star {
@Override
public String toString() {
return String.format("%s age: %d years mass: %d tons", type.toString(), ageYears, massTons);
return String.format("%s age: %d years mass: %d tons", type.toString(),
ageYears, massTons);
}
}

5
memento/src/main/java/com/iluwatar/StarMementoInternal.java
View File

@ -14,18 +14,23 @@ public class StarMementoInternal implements StarMemento {
public StarType getType() {
return type;
}
public void setType(StarType type) {
this.type = type;
}
public int getAgeYears() {
return ageYears;
}
public void setAgeYears(int ageYears) {
this.ageYears = ageYears;
}
public int getMassTons() {
return massTons;
}
public void setMassTons(int massTons) {
this.massTons = massTons;
}

6
memento/src/main/java/com/iluwatar/StarType.java
View File

@ -2,11 +2,7 @@ package com.iluwatar;
public enum StarType {
SUN,
RED_GIANT,
WHITE_DWARF,
SUPERNOVA,
DEAD;
SUN, RED_GIANT, WHITE_DWARF, SUPERNOVA, DEAD;
@Override
public String toString() {

14
model-view-presenter/src/main/java/com/iluwatar/FileLoader.java
View File

@ -5,8 +5,8 @@ import java.io.File;
import java.io.FileReader;
/**
* Every instance of this class represents the Model component
* in the Model-View-Presenter architectural pattern.
* Every instance of this class represents the Model component in the
* Model-View-Presenter architectural pattern.
*
* It is responsible for reading and loading the contents of a given file.
*/
@ -27,11 +27,12 @@ public class FileLoader {
*/
public String loadData() {
try {
BufferedReader br = new BufferedReader(new FileReader(new File(this.fileName)));
BufferedReader br = new BufferedReader(new FileReader(new File(
this.fileName)));
String text = "";
String line = "";
while( (line = br.readLine()) != null ) {
while ((line = br.readLine()) != null) {
text += line + "\n";
}
@ -41,7 +42,7 @@ public class FileLoader {
return text;
}
catch(Exception e) {
catch (Exception e) {
e.printStackTrace();
}
@ -51,7 +52,8 @@ public class FileLoader {
/**
* Sets the path of the file to be loaded, to the given value.
*
* @param fileName The path of the file to be loaded.
* @param fileName
* The path of the file to be loaded.
*/
public void setFileName(String fileName) {
this.fileName = fileName;

14
model-view-presenter/src/main/java/com/iluwatar/FileSelectorJFrame.java
View File

@ -14,10 +14,11 @@ import javax.swing.JTextArea;
import javax.swing.JTextField;
/**
* This class is the GUI implementation of the View component
* In the Model-View-Presenter pattern.
* This class is the GUI implementation of the View component In the
* Model-View-Presenter pattern.
*/
public class FileSelectorJFrame extends JFrame implements FileSelectorView, ActionListener {
public class FileSelectorJFrame extends JFrame implements FileSelectorView,
ActionListener {
/**
* Default serial version ID.
@ -45,8 +46,7 @@ public class FileSelectorJFrame extends JFrame implements FileSelectorView, Acti
private JLabel contents;
/**
* The text field for giving the name of the file
* that we want to open.
* The text field for giving the name of the file that we want to open.
*/
private JTextField input;
@ -142,13 +142,13 @@ public class FileSelectorJFrame extends JFrame implements FileSelectorView, Acti
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource() == this.OK) {
if (e.getSource() == this.OK) {
this.fileName = this.input.getText();
presenter.fileNameChanged();
presenter.confirmed();
}
else if(e.getSource() == this.cancel) {
else if (e.getSource() == this.cancel) {
presenter.cancelled();
}
}

17
model-view-presenter/src/main/java/com/iluwatar/FileSelectorPresenter.java
View File

@ -1,10 +1,11 @@
package com.iluwatar;
/**
* Every instance of this class represents the Presenter component
* in the Model-View-Presenter architectural pattern.
* Every instance of this class represents the Presenter component in the
* Model-View-Presenter architectural pattern.
*
* It is responsible for reacting to the user's actions and update the View component.
* It is responsible for reacting to the user's actions and update the View
* component.
*/
public class FileSelectorPresenter {
@ -21,7 +22,8 @@ public class FileSelectorPresenter {
/**
* Constructor
*
* @param view The view component that the presenter will interact with.
* @param view
* The view component that the presenter will interact with.
*/
public FileSelectorPresenter(FileSelectorView view) {
this.view = view;
@ -30,7 +32,8 @@ public class FileSelectorPresenter {
/**
* Sets the FileLoader object, to the value given as parameter.
*
* @param loader The new FileLoader object(the Model component).
* @param loader
* The new FileLoader object(the Model component).
*/
public void setLoader(FileLoader loader) {
this.loader = loader;
@ -52,12 +55,12 @@ public class FileSelectorPresenter {
}
public void confirmed() {
if(loader.getFileName() == null || loader.getFileName().equals("")) {
if (loader.getFileName() == null || loader.getFileName().equals("")) {
view.showMessage("Please give the name of the file first!");
return;
}
if(loader.fileExists()) {
if (loader.fileExists()) {
String data = loader.loadData();
view.displayData(data);
}

12
model-view-presenter/src/main/java/com/iluwatar/FileSelectorStub.java
View File

@ -1,14 +1,14 @@
package com.iluwatar;
/**
* Every instance of this class represents the Stub component in
* the Model-View-Presenter architectural pattern.
* Every instance of this class represents the Stub component in the
* Model-View-Presenter architectural pattern.
*
* The stub implements the View interface and it is useful when
* we want the test the reaction to user events, such as mouse clicks.
* The stub implements the View interface and it is useful when we want the test
* the reaction to user events, such as mouse clicks.
*
* Since we can not test the GUI directly, the MVP pattern provides
* this functionality through the View's dummy implementation, the Stub.
* Since we can not test the GUI directly, the MVP pattern provides this
* functionality through the View's dummy implementation, the Stub.
*/
public class FileSelectorStub implements FileSelectorView {

17
model-view-presenter/src/main/java/com/iluwatar/FileSelectorView.java
View File

@ -1,9 +1,8 @@
package com.iluwatar;
/**
* This interface represents the View component in the
* Model-View-Presenter pattern. It can be implemented
* by either the GUI components, or by the Stub.
* This interface represents the View component in the Model-View-Presenter
* pattern. It can be implemented by either the GUI components, or by the Stub.
*/
public interface FileSelectorView {
@ -25,7 +24,8 @@ public interface FileSelectorView {
/**
* Sets the presenter component, to the one given as parameter.
*
* @param presenter The new presenter component.
* @param presenter
* The new presenter component.
*/
public void setPresenter(FileSelectorPresenter presenter);
@ -37,7 +37,8 @@ public interface FileSelectorView {
/**
* Sets the file's name, to the value given as parameter.
*
* @param name The new name of the file.
* @param name
* The new name of the file.
*/
public void setFileName(String name);
@ -49,14 +50,16 @@ public interface FileSelectorView {
/**
* Displays a message to the users.
*
* @param message The message to be displayed.
* @param message
* The message to be displayed.
*/
public void showMessage(String message);
/**
* Displays the data to the view.
*
* @param data The data to be written.
* @param data
* The data to be written.
*/
public void displayData(String data);
}

13
model-view-presenter/src/test/java/com/iluwatar/FileSelectorPresenterTest.java
View File

@ -6,8 +6,8 @@ import org.junit.Before;
import org.junit.Test;
/**
* This test case is responsible for testing our application
* by taking advantage of the Model-View-Controller architectural pattern.
* This test case is responsible for testing our application by taking advantage
* of the Model-View-Controller architectural pattern.
*/
public class FileSelectorPresenterTest {
@ -26,7 +26,6 @@ public class FileSelectorPresenterTest {
*/
private FileLoader loader;
/**
* Initializes the components of the test case.
*/
@ -64,8 +63,8 @@ public class FileSelectorPresenterTest {
}
/**
* Tests if we receive a confirmation when we attempt to open a file
* that it's name is null or an empty string.
* Tests if we receive a confirmation when we attempt to open a file that
* it's name is null or an empty string.
*/
@Test
public void fileConfirmationWhenNameIsNull() {
@ -80,8 +79,8 @@ public class FileSelectorPresenterTest {
}
/**
* Tests if we receive a confirmation when we attempt to open a file
* that it doesn't exist.
* Tests if we receive a confirmation when we attempt to open a file that it
* doesn't exist.
*/
@Test
public void fileConfirmationWhenFileDoesNotExist() {

18
observer/src/main/java/com/iluwatar/App.java
View File

@ -8,16 +8,16 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
Weather weather = new Weather();
weather.addObserver(new Orcs());
weather.addObserver(new Hobbits());
Weather weather = new Weather();
weather.addObserver(new Orcs());
weather.addObserver(new Hobbits());
weather.timePasses();
weather.timePasses();
weather.timePasses();
weather.timePasses();
weather.timePasses();
weather.timePasses();
weather.timePasses();
weather.timePasses();
}
}
}

6
observer/src/main/java/com/iluwatar/Hobbits.java
View File

@ -6,7 +6,8 @@ public class Hobbits implements WeatherObserver {
public void update(WeatherType currentWeather) {
switch (currentWeather) {
case COLD:
System.out.println("The hobbits are shivering in the cold weather.");
System.out
.println("The hobbits are shivering in the cold weather.");
break;
case RAINY:
System.out.println("The hobbits look for cover from the rain.");
@ -15,7 +16,8 @@ public class Hobbits implements WeatherObserver {
System.out.println("The happy hobbits bade in the warm sun.");
break;
case WINDY:
System.out.println("The hobbits hold their hats tightly in the windy weather.");
System.out
.println("The hobbits hold their hats tightly in the windy weather.");
break;
default:
break;

6
observer/src/main/java/com/iluwatar/Weather.java
View File

@ -5,8 +5,8 @@ import java.util.List;
/**
*
* Weather can be observed by implementing WeatherObserver
* interface and registering as listener.
* Weather can be observed by implementing WeatherObserver interface and
* registering as listener.
*
*/
public class Weather {
@ -49,7 +49,7 @@ public class Weather {
}
private void notifyObservers() {
for (WeatherObserver obs: observers) {
for (WeatherObserver obs : observers) {
obs.update(currentWeather);
}
}

5
observer/src/main/java/com/iluwatar/WeatherType.java
View File

@ -2,10 +2,7 @@ package com.iluwatar;
public enum WeatherType {
SUNNY,
RAINY,
WINDY,
COLD;
SUNNY, RAINY, WINDY, COLD;
public String toString() {
return this.name().toLowerCase();

42
prototype/src/main/java/com/iluwatar/App.java
View File

@ -9,26 +9,28 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
HeroFactory factory;
Mage mage;
Warlord warlord;
Beast beast;
public static void main(String[] args) {
HeroFactory factory;
Mage mage;
Warlord warlord;
Beast beast;
factory = new HeroFactoryImpl(new ElfMage(), new ElfWarlord(), new ElfBeast());
mage = factory.createMage();
warlord = factory.createWarlord();
beast = factory.createBeast();
System.out.println(mage);
System.out.println(warlord);
System.out.println(beast);
factory = new HeroFactoryImpl(new ElfMage(), new ElfWarlord(),
new ElfBeast());
mage = factory.createMage();
warlord = factory.createWarlord();
beast = factory.createBeast();
System.out.println(mage);
System.out.println(warlord);
System.out.println(beast);
factory = new HeroFactoryImpl(new OrcMage(), new OrcWarlord(), new OrcBeast());
mage = factory.createMage();
warlord = factory.createWarlord();
beast = factory.createBeast();
System.out.println(mage);
System.out.println(warlord);
System.out.println(beast);
}
factory = new HeroFactoryImpl(new OrcMage(), new OrcWarlord(),
new OrcBeast());
mage = factory.createMage();
warlord = factory.createWarlord();
beast = factory.createBeast();
System.out.println(mage);
System.out.println(warlord);
System.out.println(beast);
}
}

16
proxy/src/main/java/com/iluwatar/App.java
View File

@ -7,14 +7,14 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
WizardTowerProxy tower = new WizardTowerProxy();
tower.enter(new Wizard("Red wizard"));
tower.enter(new Wizard("White wizard"));
tower.enter(new Wizard("Black wizard"));
tower.enter(new Wizard("Green wizard"));
tower.enter(new Wizard("Brown wizard"));
WizardTowerProxy tower = new WizardTowerProxy();
tower.enter(new Wizard("Red wizard"));
tower.enter(new Wizard("White wizard"));
tower.enter(new Wizard("Black wizard"));
tower.enter(new Wizard("Green wizard"));
tower.enter(new Wizard("Brown wizard"));
}
}
}

12
singleton/src/main/java/com/iluwatar/App.java
View File

@ -8,12 +8,12 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
IvoryTower ivoryTower1 = IvoryTower.getInstance();
IvoryTower ivoryTower2 = IvoryTower.getInstance();
System.out.println("ivoryTower1=" + ivoryTower1);
System.out.println("ivoryTower2=" + ivoryTower2);
IvoryTower ivoryTower1 = IvoryTower.getInstance();
IvoryTower ivoryTower2 = IvoryTower.getInstance();
System.out.println("ivoryTower1=" + ivoryTower1);
System.out.println("ivoryTower2=" + ivoryTower2);
}
}
}

3
singleton/src/main/java/com/iluwatar/IvoryTower.java
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@ -9,7 +9,8 @@ public class IvoryTower {
private static IvoryTower instance = new IvoryTower();
private IvoryTower() {}
private IvoryTower() {
}
public static IvoryTower getInstance() {
return instance;

16
state/src/main/java/com/iluwatar/App.java
View File

@ -9,14 +9,14 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
Mammoth mammoth = new Mammoth();
mammoth.observe();
mammoth.timePasses();
mammoth.observe();
mammoth.timePasses();
mammoth.observe();
Mammoth mammoth = new Mammoth();
mammoth.observe();
mammoth.timePasses();
mammoth.observe();
mammoth.timePasses();
mammoth.observe();
}
}
}

22
strategy/src/main/java/com/iluwatar/App.java
View File

@ -8,15 +8,15 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
System.out.println("Green dragon spotted ahead!");
DragonSlayer dragonSlayer = new DragonSlayer(new MeleeStrategy());
dragonSlayer.goToBattle();
System.out.println("Red dragon emerges.");
dragonSlayer.changeStrategy(new ProjectileStrategy());
dragonSlayer.goToBattle();
System.out.println("Black dragon lands before you.");
dragonSlayer.changeStrategy(new SpellStrategy());
dragonSlayer.goToBattle();
}
public static void main(String[] args) {
System.out.println("Green dragon spotted ahead!");
DragonSlayer dragonSlayer = new DragonSlayer(new MeleeStrategy());
dragonSlayer.goToBattle();
System.out.println("Red dragon emerges.");
dragonSlayer.changeStrategy(new ProjectileStrategy());
dragonSlayer.goToBattle();
System.out.println("Black dragon lands before you.");
dragonSlayer.changeStrategy(new SpellStrategy());
dragonSlayer.goToBattle();
}
}

3
strategy/src/main/java/com/iluwatar/ProjectileStrategy.java
View File

@ -4,7 +4,8 @@ public class ProjectileStrategy implements DragonSlayingStrategy {
@Override
public void execute() {
System.out.println("You shoot the dragon with the magical crossbow and it falls dead on the ground!");
System.out
.println("You shoot the dragon with the magical crossbow and it falls dead on the ground!");
}
}

3
strategy/src/main/java/com/iluwatar/SpellStrategy.java
View File

@ -4,7 +4,8 @@ public class SpellStrategy implements DragonSlayingStrategy {
@Override
public void execute() {
System.out.println("You cast the spell of disintegration and the dragon vaporizes in a pile of dust!");
System.out
.println("You cast the spell of disintegration and the dragon vaporizes in a pile of dust!");
}
}

12
template-method/src/main/java/com/iluwatar/App.java
View File

@ -8,10 +8,10 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
HalflingThief thief = new HalflingThief(new HitAndRunMethod());
thief.steal();
thief.changeMethod(new SubtleMethod());
thief.steal();
}
public static void main(String[] args) {
HalflingThief thief = new HalflingThief(new HitAndRunMethod());
thief.steal();
thief.changeMethod(new SubtleMethod());
thief.steal();
}
}

6
template-method/src/main/java/com/iluwatar/SubtleMethod.java
View File

@ -9,12 +9,14 @@ public class SubtleMethod extends StealingMethod {
@Override
protected void confuseTarget(String target) {
System.out.println("Approach the " + target + " with tears running and hug him!");
System.out.println("Approach the " + target
+ " with tears running and hug him!");
}
@Override
protected void stealTheItem(String target) {
System.out.println("While in close contact grab the " + target + "'s wallet.");
System.out.println("While in close contact grab the " + target
+ "'s wallet.");
}
}

16
visitor/src/main/java/com/iluwatar/App.java
View File

@ -9,14 +9,14 @@ package com.iluwatar;
*/
public class App {
public static void main(String[] args) {
public static void main(String[] args) {
Commander commander = new Commander(
new Sergeant(new Soldier(), new Soldier(), new Soldier()),
new Sergeant(new Soldier(), new Soldier(), new Soldier()));
commander.accept(new SoldierVisitor());
commander.accept(new SergeantVisitor());
commander.accept(new CommanderVisitor());
Commander commander = new Commander(new Sergeant(new Soldier(),
new Soldier(), new Soldier()), new Sergeant(new Soldier(),
new Soldier(), new Soldier()));
commander.accept(new SoldierVisitor());
commander.accept(new SergeantVisitor());
commander.accept(new CommanderVisitor());
}
}
}

2
visitor/src/main/java/com/iluwatar/Commander.java
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@ -2,7 +2,7 @@ package com.iluwatar;
public class Commander extends Unit {
public Commander(Unit ... children) {
public Commander(Unit... children) {
super(children);
}

2
visitor/src/main/java/com/iluwatar/Sergeant.java
View File

@ -2,7 +2,7 @@ package com.iluwatar;
public class Sergeant extends Unit {
public Sergeant(Unit ... children) {
public Sergeant(Unit... children) {
super(children);
}

2
visitor/src/main/java/com/iluwatar/Soldier.java
View File

@ -2,7 +2,7 @@ package com.iluwatar;
public class Soldier extends Unit {
public Soldier(Unit ... children) {
public Soldier(Unit... children) {
super(children);
}

4
visitor/src/main/java/com/iluwatar/Unit.java
View File

@ -9,12 +9,12 @@ public abstract class Unit {
private Unit[] children;
public Unit(Unit ... children) {
public Unit(Unit... children) {
this.children = children;
}
public void accept(UnitVisitor visitor) {
for (Unit child: children) {
for (Unit child : children) {
child.accept(visitor);
}
}

2
visitor/src/main/java/com/iluwatar/UnitVisitor.java
View File

@ -8,7 +8,9 @@ package com.iluwatar;
public interface UnitVisitor {
void visitSoldier(Soldier soldier);
void visitSergeant(Sergeant sergeant);
void visitCommander(Commander commander);
}