Moved project to core-java from eclipse folder (#703)

core-java/src/main/java/org/baeldung/equalshashcode/entities/ComplexClass.java

@@ -0,0 +1,65 @@
+package org.baeldung.equalshashcode.entities;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class ComplexClass {
+
+    private List<?> genericList;
+    private Set<Integer> integerSet;
+
+    public ComplexClass(ArrayList<?> genericArrayList, HashSet<Integer> integerHashSet) {
+        super();
+        this.genericList = genericArrayList;
+        this.integerSet = integerHashSet;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((genericList == null) ? 0 : genericList.hashCode());
+        result = prime * result + ((integerSet == null) ? 0 : integerSet.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (!(obj instanceof ComplexClass))
+            return false;
+        ComplexClass other = (ComplexClass) obj;
+        if (genericList == null) {
+            if (other.genericList != null)
+                return false;
+        } else if (!genericList.equals(other.genericList))
+            return false;
+        if (integerSet == null) {
+            if (other.integerSet != null)
+                return false;
+        } else if (!integerSet.equals(other.integerSet))
+            return false;
+        return true;
+    }
+
+    protected List<?> getGenericList() {
+        return genericList;
+    }
+
+    protected void setGenericArrayList(List<?> genericList) {
+        this.genericList = genericList;
+    }
+
+    protected Set<Integer> getIntegerSet() {
+        return integerSet;
+    }
+
+    protected void setIntegerSet(Set<Integer> integerSet) {
+        this.integerSet = integerSet;
+    }
+}

core-java/src/main/java/org/baeldung/equalshashcode/entities/Rectangle.java

@@ -11,13 +11,11 @@ public class Rectangle extends Shape {
 
     @Override
     public double area() {
-        // A = w * l
         return width * length;
     }
 
     @Override
     public double perimeter() {
-        // P = 2(w + l)
         return 2 * (width + length);
     }
 

core-java/src/test/java/org/baeldung/equalshashcode/entities/ComplexClassTest.java

@@ -22,11 +22,10 @@ public class ComplexClassTest {
         strArrayListD.add("pqr");
         ComplexClass dObject = new ComplexClass(strArrayListD, new HashSet<Integer>(45, 67));
 
-        // equals()
         Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
-        // hashCode()
+
         Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
-        // non-equal objects are not equals() and have different hashCode()
+
         Assert.assertFalse(aObject.equals(dObject));
         Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
     }

core-java/src/test/java/org/baeldung/equalshashcode/entities/PrimitiveClassTest.java

@@ -12,11 +12,10 @@ public class PrimitiveClassTest {
         PrimitiveClass bObject = new PrimitiveClass(false, 2);
         PrimitiveClass dObject = new PrimitiveClass(true, 2);
 
-        // equals()
         Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
-        // hashCode()
+
         Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
-        // non-equal objects are not equals() and have different hashCode()
+
         Assert.assertFalse(aObject.equals(dObject));
         Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
     }

core-java/src/test/java/org/baeldung/equalshashcode/entities/SquareClassTest.java

@@ -15,11 +15,10 @@ public class SquareClassTest {
 
         Square dObject = new Square(20, Color.BLUE);
 
-        // equals()
         Assert.assertTrue(aObject.equals(bObject) && bObject.equals(aObject));
-        // hashCode()
+
         Assert.assertTrue(aObject.hashCode() == bObject.hashCode());
-        // non-equal objects are not equals() and have different hashCode()
+
         Assert.assertFalse(aObject.equals(dObject));
         Assert.assertFalse(aObject.hashCode() == dObject.hashCode());
     }

eclipse/src/main/java/org/baeldung/equalshashcode/entities/ComplexClass.java

@@ -1,63 +0,0 @@
-package org.baeldung.equalshashcode.entities;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-
-public class ComplexClass {
-
-    private ArrayList<?> genericArrayList;
-    private HashSet<Integer> integerHashSet;
-
-    public ComplexClass(ArrayList<?> genericArrayList, HashSet<Integer> integerHashSet) {
-        super();
-        this.genericArrayList = genericArrayList;
-        this.integerHashSet = integerHashSet;
-    }
-
-    @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + ((genericArrayList == null) ? 0 : genericArrayList.hashCode());
-        result = prime * result + ((integerHashSet == null) ? 0 : integerHashSet.hashCode());
-        return result;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj)
-            return true;
-        if (obj == null)
-            return false;
-        if (!(obj instanceof ComplexClass))
-            return false;
-        ComplexClass other = (ComplexClass) obj;
-        if (genericArrayList == null) {
-            if (other.genericArrayList != null)
-                return false;
-        } else if (!genericArrayList.equals(other.genericArrayList))
-            return false;
-        if (integerHashSet == null) {
-            if (other.integerHashSet != null)
-                return false;
-        } else if (!integerHashSet.equals(other.integerHashSet))
-            return false;
-        return true;
-    }
-
-    protected ArrayList<?> getGenericArrayList() {
-        return genericArrayList;
-    }
-
-    protected void setGenericArrayList(ArrayList<?> genericArrayList) {
-        this.genericArrayList = genericArrayList;
-    }
-
-    protected HashSet<Integer> getIntegerHashSet() {
-        return integerHashSet;
-    }
-
-    protected void setIntegerHashSet(HashSet<Integer> integerHashSet) {
-        this.integerHashSet = integerHashSet;
-    }
-}