test.java

加密解密技巧

package com.inter;

public class Test {
	public static void main(String[] args) {
		Behavior[] behaviors = new Behavior[3];
		
		Plan plane = new Plan();
		Tank tank = new Tank();
		Soldier soldier= new Soldier();
		
		behaviors[0] = plane;
		behaviors[1] = tank;
		behaviors[2] = soldier;
		
		for (int i = 0; i < behaviors.length; i++) {
			behaviors[i].attack();
		}

	}

}