initial

src/Rectangle.java

+public class Rectangle extends Shape{
+    int width;
+    int height;
+    public Rectangle(){
+        width=3;
+        height=4;
+    }
+    public Rectangle(int width, int height) {
+      this.width=width;
+      this.height=height;
+    }
+    public int getHeight(){return height;}
+    public int getWidth(){return width;}
+    public void setHeight(int height){this.height=height;}
+    public void setWidth(int width){this.width=width;}
+    public int getSize(){return size;}
+    public void setSize(int size){this.size=size;}
+
+    
+    @Override
+    public float area() {
+      float area = getWidth() * getHeight();
+      return area;
+    }
+  
+    @Override
+    public float circumference() {
+      float circ = getHeight() + getHeight() + getWidth() + getWidth();
+      return circ;
+    }
+    @Override
+    public void draw() {
+    
+        
+    }
+}
+

src/Shape.java

 abstract public class Shape {
 
   protected int size;
+  int width;
+  int height;
 
   abstract public void draw();
   abstract public float area();
   abstract public float circumference();
 
+  public int getHeight(){return height;}
+  public int getWidth(){return width;}
   public int getSize() { return size; }
   public void setSize(int size) { this.size = size; }
 

src/Square.java

+public class Square extends Shape{
+  
+    public Square() {
+      super();
+    }
+      public Square(int i) {
+      super(i);
+    }
+    @Override
+    public float area() {
+      float fSize = size;
+      float area = fSize * fSize;
+      return area;
+    }
+  
+    @Override
+    public float circumference() {
+      float fSize = size;
+      float circ = fSize *4;
+      return circ;
+    }
+    @Override
+    public void draw() {
+        
+    }
+}

src/unitTest.java

@@ -96,7 +96,7 @@ public class unitTest {
   @Test
   public void testRectangleWidth() {  
     // test setSize()
-    Shape testShape = new Rectangle(5,4);
+    Rectangle testShape = new Rectangle(5,4);
     testShape.setWidth(6);
     assertEquals(6, testShape.getWidth()); 
   }
@@ -104,7 +104,7 @@ public class unitTest {
   @Test
   public void testRectangleHeight() {  
     // test setSize()
-    Shape testShape = new Rectangle(78);
+    Rectangle testShape = new Rectangle(7,8);
     testShape.setHeight(3);
     assertEquals(3, testShape.getHeight()); 
   }
@@ -112,13 +112,13 @@ public class unitTest {
   @Test
   public void testRectangleCircumference() {  
     // test circumference()
-    Shape testShape = new Rectangle(6,3);
+    Rectangle testShape = new Rectangle(6,3);
     assertEquals(18.0, testShape.circumference(), 1e-6); 
   }
     @Test
     public void testRectangleArea() {  
       // test area()
-      Shape testShape = new Rectangle(5,7);
+      Rectangle testShape = new Rectangle(5,7);
       assertEquals(35.0, testShape.area(), 1e-6); 
   }