InheritanceTest.java
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class GraphicObject { protected int x,y; public GraphicObject(int x, int y){ //this.x = x; //this.y = y; moveTo(x, y); } public void moveTo(int newX, int newY){ x = newX; y = newY; } public void printDetails(){ System.out.print("x: " + x + " y: " + y); } } class Rectangle extends GraphicObject { private int side1, side2; public Rectangle(int side1, int side2, int x, int y){ super(x, y); this.side1 = side1; this.side2 = side2; } public void printDetails(){ super.printDetails(); System.out.println(" side1: " + side1 + " side2: " + side2); } } public class InheritanceTest { public static void main(String[] args){ GraphicObject go = new GraphicObject(10,20); Rectangle r = new Rectangle(3, 4, 15, 30); go.printDetails(); System.out.println(); r.printDetails(); } } |