Fix PMD violations #327

prototype/src/main/java/com/iluwatar/prototype/ElfBeast.java

@@ -9,11 +9,9 @@ public class ElfBeast extends Beast {
 
   public ElfBeast() {}
 
-  public ElfBeast(ElfBeast beast) {}
-
   @Override
   public Beast clone() throws CloneNotSupportedException {
-    return new ElfBeast(this);
+    return new ElfBeast();
   }
 
   @Override

prototype/src/main/java/com/iluwatar/prototype/ElfMage.java

@@ -9,11 +9,9 @@ public class ElfMage extends Mage {
 
   public ElfMage() {}
 
-  public ElfMage(ElfMage mage) {}
-
   @Override
   public Mage clone() throws CloneNotSupportedException {
-    return new ElfMage(this);
+    return new ElfMage();
   }
 
   @Override

prototype/src/main/java/com/iluwatar/prototype/ElfWarlord.java

@@ -9,11 +9,9 @@ public class ElfWarlord extends Warlord {
 
   public ElfWarlord() {}
 
-  public ElfWarlord(ElfWarlord warlord) {}
-
   @Override
   public Warlord clone() throws CloneNotSupportedException {
-    return new ElfWarlord(this);
+    return new ElfWarlord();
   }
 
   @Override

prototype/src/main/java/com/iluwatar/prototype/OrcBeast.java

@@ -9,11 +9,9 @@ public class OrcBeast extends Beast {
 
   public OrcBeast() {}
 
-  public OrcBeast(OrcBeast beast) {}
-
   @Override
   public Beast clone() throws CloneNotSupportedException {
-    return new OrcBeast(this);
+    return new OrcBeast();
   }
 
   @Override

prototype/src/main/java/com/iluwatar/prototype/OrcMage.java

@@ -9,11 +9,9 @@ public class OrcMage extends Mage {
 
   public OrcMage() {}
 
-  public OrcMage(OrcMage mage) {}
-
   @Override
   public Mage clone() throws CloneNotSupportedException {
-    return new OrcMage(this);
+    return new OrcMage();
   }
 
   @Override

prototype/src/main/java/com/iluwatar/prototype/OrcWarlord.java

@@ -9,11 +9,9 @@ public class OrcWarlord extends Warlord {
 
   public OrcWarlord() {}
 
-  public OrcWarlord(OrcWarlord warlord) {}
-
   @Override
   public Warlord clone() throws CloneNotSupportedException {
-    return new OrcWarlord(this);
+    return new OrcWarlord();
   }
 
   @Override

prototype/src/test/java/com/iluwatar/prototype/AppTest.java

@@ -2,8 +2,6 @@ package com.iluwatar.prototype;
 
 import org.junit.Test;
 
-import com.iluwatar.prototype.App;
-
 /**
  * 
  * Application test