[设计模式]之二十:模板方法模式

abstract class Template {
	public abstract void OperationA();
	public abstract void OperationB();
	//定义模板调用顺序
	public void TemplateMethod() {
		OperationA();
		OperationB();
	}
}

public class SubClassA extends Template {

	@Override
	public void OperationA() {
		// TODO Auto-generated method stub
		System.out.println("A want a car");
	}

	@Override
	public void OperationB() {
		// TODO Auto-generated method stub
		System.out.println("A don't need a girfriend");
	}

}

public class SubClassB extends Template {

	@Override
	public void OperationA() {
		// TODO Auto-generated method stub
		System.out.println("B don't need a car");
	}

	@Override
	public void OperationB() {
		// TODO Auto-generated method stub
		System.out.println("B need a girlfriend");
	}

}

public static void main(String[] args) {
	// TODO Auto-generated method stub
	Template t;
	t = new SubClassA();
	t.TemplateMethod();
	
	t = new SubClassB();
	t.TemplateMethod();
}

//输出 A和B用一套模板，不同输出
A want a car
A don't need a girfriend
B don't need a car
B need a girlfriend