java模板方法模式

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/**
* 模版方法模式
*/
public class TemplateDemo {
   public static void main(String[] args) {
       Teacher1 javaTeacher = new JavaTeacher("张三");
       javaTeacher.work();
       Teacher1 oracleTeacher = new OracleTeacher("李四");
       oracleTeacher.work();
   }
}
//教师类
abstract class Teacher1{
   private String name;//姓名
   public Teacher1(String name) {
       this.name = name;
   }
   public String getName() {
       return name;
   }
   public void setName(String name) {
       this.name = name;
   }
   //模版方法
   //第1，3步骤是固定的，第2步骤由具体的子类实现
   public void work(){
       //1.备课
       prepared();
       //2.授课
       teaching();
       //3.下课
       end();
   }

   public void prepared(){
       System.out.println(name + "备课");
   }

   public abstract void teaching();/**把授课的方法定义为抽象方法，让子类去实现**/

   public void end(){
       System.out.println(name + "下课");
   }
}
class JavaTeacher extends Teacher1{
   public JavaTeacher(String name) {
       super(name);
   }
   public void teaching() {
       System.out.println("打开eclipse...");
       System.out.println("编写Java代码...");
       System.out.println("运行Java代码...");
   }
}
class OracleTeacher extends Teacher1{
   public OracleTeacher(String name) {
       super(name);
   }
   public void teaching() {
       System.out.println("打开数据库工具...");
       System.out.println("编写SQL语句...");
       System.out.println("运行SQL语句...");
   }
}

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