abstractclass.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 15 行

package com.javapatterns.templatemethod.hook;

public abstract class AbstractClass
{
    public void hookMethod() { }

    public abstract void abstractMethod();

    public void concreteMethod()
    {
        System.out.println("This is a concrete method.");
    }
}