client.java

来自「这是学习java与设计模式一书时所必备的源代码。只有这样才能更加深刻的理解编程的」· Java 代码 · 共 16 行

package com.javapatterns.doubledispatch.mixed;

public class Client
{
    private static Super a;
    private static Super b;
    public static void main(String[] args)
    {
		a = new SubA();
        b = new SubB();

        a.operation(b);
    }
}