【java设计模式】【行为模式Behavioral Pattern】模板方法模式Template Method Pattern

package com.tn.pattern;

public class Client {
    public static void main(String[] args) {
        AbstractClass c1=new ConcreteClass1();
        c1.templateMethod();
        
        AbstractClass c2=new ConcreteClass2();
        c2.templateMethod();
    }
}

abstract class AbstractClass{
    abstract protected void primitiveMethod1();
    abstract protected void primitiveMethod2();

    protected void templateMethod(){
        System.out.println("templateMethod() start...");
        primitiveMethod1();
        primitiveMethod2();
        System.out.println("templateMethod() end.");        
    }
}

class ConcreteClass1 extends AbstractClass{
    @Override
    public void primitiveMethod1() {
        System.out.println("ConcreteClass1's primitiveMethod1()...");
    }
    @Override
    public void primitiveMethod2() {
        System.out.println("ConcreteClass1's primitiveMethod2()...");
    }
}

class ConcreteClass2 extends AbstractClass{
    @Override
    public void primitiveMethod1() {
        System.out.println("ConcreteClass2's primitiveMethod1()...");
    }
    @Override
    public void primitiveMethod2() {
        System.out.println("ConcreteClass2's primitiveMethod2()...");
    }
}