From a00622c656be2593ec632bdc08573fdc4ed5364d Mon Sep 17 00:00:00 2001
From: Anurag Agarwal <anurag.agarwal561994@gmail.com>
Date: Sun, 12 Apr 2020 22:21:48 +0000
Subject: [PATCH] Java 11 migraiton: memento

---
 .../src/main/java/com/iluwatar/memento/App.java    |  4 ++--
 .../src/main/java/com/iluwatar/memento/Star.java   |  4 ++--
 .../main/java/com/iluwatar/memento/StarType.java   |  2 +-
 .../test/java/com/iluwatar/memento/AppTest.java    |  5 +----
 .../test/java/com/iluwatar/memento/StarTest.java   | 14 +++++++-------
 5 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/memento/src/main/java/com/iluwatar/memento/App.java b/memento/src/main/java/com/iluwatar/memento/App.java
index af57d8d4a..77cc0f214 100644
--- a/memento/src/main/java/com/iluwatar/memento/App.java
+++ b/memento/src/main/java/com/iluwatar/memento/App.java
@@ -52,9 +52,9 @@ public class App {
    * Program entry point.
    */
   public static void main(String[] args) {
-    Stack<StarMemento> states = new Stack<>();
+    var states = new Stack<StarMemento>();
 
-    Star star = new Star(StarType.SUN, 10000000, 500000);
+    var star = new Star(StarType.SUN, 10000000, 500000);
     LOGGER.info(star.toString());
     states.add(star.getMemento());
     star.timePasses();
diff --git a/memento/src/main/java/com/iluwatar/memento/Star.java b/memento/src/main/java/com/iluwatar/memento/Star.java
index ebeea28f2..aac58b817 100644
--- a/memento/src/main/java/com/iluwatar/memento/Star.java
+++ b/memento/src/main/java/com/iluwatar/memento/Star.java
@@ -71,7 +71,7 @@ public class Star {
 
   StarMemento getMemento() {
 
-    StarMementoInternal state = new StarMementoInternal();
+    var state = new StarMementoInternal();
     state.setAgeYears(ageYears);
     state.setMassTons(massTons);
     state.setType(type);
@@ -81,7 +81,7 @@ public class Star {
 
   void setMemento(StarMemento memento) {
 
-    StarMementoInternal state = (StarMementoInternal) memento;
+    var state = (StarMementoInternal) memento;
     this.type = state.getType();
     this.ageYears = state.getAgeYears();
     this.massTons = state.getMassTons();
diff --git a/memento/src/main/java/com/iluwatar/memento/StarType.java b/memento/src/main/java/com/iluwatar/memento/StarType.java
index 507cd506b..339f05f9f 100644
--- a/memento/src/main/java/com/iluwatar/memento/StarType.java
+++ b/memento/src/main/java/com/iluwatar/memento/StarType.java
@@ -31,7 +31,7 @@ public enum StarType {
   SUN("sun"), RED_GIANT("red giant"), WHITE_DWARF("white dwarf"), SUPERNOVA("supernova"), DEAD(
       "dead star"), UNDEFINED("");
 
-  private String title;
+  private final String title;
 
   StarType(String title) {
     this.title = title;
diff --git a/memento/src/test/java/com/iluwatar/memento/AppTest.java b/memento/src/test/java/com/iluwatar/memento/AppTest.java
index 074de2c41..e0448c289 100644
--- a/memento/src/test/java/com/iluwatar/memento/AppTest.java
+++ b/memento/src/test/java/com/iluwatar/memento/AppTest.java
@@ -26,15 +26,12 @@ package com.iluwatar.memento;
 import org.junit.jupiter.api.Test;
 
 /**
- * 
  * Application test
- *
  */
 public class AppTest {
 
   @Test
   public void test() {
-    String[] args = {};
-    App.main(args);
+    App.main(new String[]{});
   }
 }
diff --git a/memento/src/test/java/com/iluwatar/memento/StarTest.java b/memento/src/test/java/com/iluwatar/memento/StarTest.java
index 40adb99e1..aab59e9c3 100644
--- a/memento/src/test/java/com/iluwatar/memento/StarTest.java
+++ b/memento/src/test/java/com/iluwatar/memento/StarTest.java
@@ -23,10 +23,10 @@
 
 package com.iluwatar.memento;
 
-import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
+import org.junit.jupiter.api.Test;
+
 /**
  * Date: 12/20/15 - 10:08 AM
  *
@@ -39,7 +39,7 @@ public class StarTest {
    */
   @Test
   public void testTimePasses() {
-    final Star star = new Star(StarType.SUN, 1, 2);
+    final var star = new Star(StarType.SUN, 1, 2);
     assertEquals("sun age: 1 years mass: 2 tons", star.toString());
 
     star.timePasses();
@@ -66,16 +66,16 @@ public class StarTest {
    */
   @Test
   public void testSetMemento() {
-    final Star star = new Star(StarType.SUN, 1, 2);
-    final StarMemento firstMemento = star.getMemento();
+    final var star = new Star(StarType.SUN, 1, 2);
+    final var firstMemento = star.getMemento();
     assertEquals("sun age: 1 years mass: 2 tons", star.toString());
 
     star.timePasses();
-    final StarMemento secondMemento = star.getMemento();
+    final var secondMemento = star.getMemento();
     assertEquals("red giant age: 2 years mass: 16 tons", star.toString());
 
     star.timePasses();
-    final StarMemento thirdMemento = star.getMemento();
+    final var thirdMemento = star.getMemento();
     assertEquals("white dwarf age: 4 years mass: 128 tons", star.toString());
 
     star.timePasses();