day15_ColoredRectangle

package com.java1.day15;

class Shape2 {
	private int x;
	private int y;

	public Shape2(int x, int y) {
		System.out.println("Shape2()");
		this.x = x;
		this.y = y;
	}
}

class Rectangle2 extends Shape2 {
	private int width;
	private int height;

	public Rectangle2(int x, int y, int width, int height) {
		super(x, y);
		System.out.println("Rectangle2()");
		this.width = width;
		this.height = height;
	}

	double calcArea() {
		return width * height;
	}
}

public class ColoredRectangle extends Rectangle2 {
	String color;

	public ColoredRectangle(int x, int y, int width, int height, String color) {
		super(x, y, width, height);
		System.out.println("ColoredRectangle()");
		this.color = color;
	}

	public static void main(String[] args) {
		ColoredRectangle obj = new ColoredRectangle(10, 10, 20, 20, "red");
	}
}

출력결과

Shape2()
Rectangle2()
ColoredRectangle()