orc.java

翁剀JAVA语言那门课程的教案 很多人都看多他的视频教程可惜没有ppt的教案

//: Orc.java
// The protected keyword

import java.util.*;

class Villain {
	private int i;
	protected int read() { return i; }
	protected void set(int i) { this.i = i; }
	public Villain(int i) { this.i = i; }
	public int value(int m) { return m*i; }
}

public class Orc extends Villain {
	private int j;
	public Orc(int j) { super(j); this.j = j; }
	public void change(int x) { set(x); }
	public static void main(String[] args) {
		Orc orc = new Orc(2);
		orc.change(3);
		System.out.println(orc.value(4));
	}
}