【设计模式——学习笔记】设计模式前置知识：UML类图入门

package com.atguigu.uml.generalization;
public abstract class DaoSupport{
   public void save(Object entity){
   }
   public void delete(Object id){
   }
}
package com.atguigu.uml.generalization;
public class PersonServiceBean extends DaoSupport {
}

package com.atguigu.uml.implementation;
public interface PersonService {
   public void delete(Integer id);
}
package com.atguigu.uml.implementation;
public class PersonServiceBean implements PersonService{
   @Override
   public void delete(Integer id) {
      // TODO Auto-generated method stub
      System.out.println("delete..");
   }
}

package com.atguigu.uml.aggregation;
public class Computer {
    private Mouse mouse; //鼠标可以和computer分离
    private Moniter moniter;//显示器可以和Computer分离
    public void setMouse(Mouse mouse) {
        this.mouse = mouse;
    }
    public void setMoniter(Moniter moniter) {
        this.moniter = moniter;
    }
}
package com.atguigu.uml.aggregation;
public class Moniter {
}
package com.atguigu.uml.aggregation;
public class Mouse {
}

package com.atguigu.uml.composition;
public class Computer {
   private Mouse mouse = new Mouse(); //鼠标可以和computer不能分离
   private Moniter moniter = new Moniter();//显示器可以和Computer不能分离
   public void setMouse(Mouse mouse) {
      this.mouse = mouse;
   }
   public void setMoniter(Moniter moniter) {
      this.moniter = moniter;
   }
}

package com.atguigu.uml.composition;
public class Person {
    private IDCard card; //聚合关系
    private Head head = new Head(); //组合关系
}