message

src/App.java

@@ -2,5 +2,9 @@ public class App {
     public static void main(String[] args) throws Exception {
         Shape shape1 = new Triangle(3);
         shape1.draw();
+        Shape shape2 = new Square(5);
+        shape2.draw(); 
+        Shape shape3 = new Rectangle(4, 6);
+        shape3.draw();
     }
 }

src/Rectangle.java

+public class Rectangle extends Shape{
+    
+    protected int width;
+    protected int height;
+    public int getWidth() { return width; }
+    public void setWidth(int width) { this.width = width; }
+    public int getHeight() { return height; }
+    public void setHeight(int height) { this.height = height; }
+  
+    public Rectangle(int i, int j) {
+      super();
+    }
+      public Rectangle(int i) {
+      super(i);
+    }
+
+  
+    @Override  
+    public void draw() {
+  
+ 
+    String hozString = "";
+        String verString = "*";
+
+        for (int loop1=0; loop1<width; loop1++){
+            hozString = hozString + "* ";     
+       }  
+       for (int loop1=0; loop1<(hozString.length()-3); loop1++){
+        verString = verString + " ";
+    }
+         verString = verString + "*";
+        System.out.println(hozString);
+
+        for (int loop1=0; loop1<(height-2); loop1++){
+        System.out.println(verString);
+    }
+
+       System.out.println(hozString);
+    }
+  
+    @Override
+    public float area() {
+      float area = height * width;
+      return area;
+    }
+  
+    @Override
+    public float circumference() {
+      float circ = 2 * (width + height);
+      return circ;
+    }
+  
+  }
+  
\ No newline at end of file

src/Square.java

+public class Square extends Shape{
+
+  
+    public Square() {
+      super();
+    }
+      public Square(int i) {
+      super(i);
+    }
+  
+    @Override  
+    public void draw() {
+  
+        String hozString = "";
+        String verString = "*";
+
+        for (int loop1=0; loop1<size; loop1++){
+             hozString = hozString + "* ";
+            
+        }
+        for (int loop1=0; loop1<(hozString.length()-3); loop1++){
+            verString = verString + " ";
+        }
+        verString = verString + "*";
+        System.out.println(hozString);
+        for (int loop1=0; loop1<(size-2); loop1++){
+            System.out.println(verString);
+        }
+        System.out.println(hozString);
+    }
+  
+    @Override
+    public float area() {
+      float area = size * size;
+      return area;
+    }
+  
+    @Override
+    public float circumference() {
+
+      float circ = size * 4;
+      return circ;
+    }
+  
+  }
+  
\ No newline at end of file