package JavaBasic;

import java.util.ArrayList;

import java.util.Collections;

/**

* @Classname SortLambda

* @Description 使用lambda表达式重写排序方法

* @Date 19-7-7 下午3:17

* @Created by mao<tianmao818@qq.com>

*/

class People{

private String name;

private int age;

public People(String name,int age){

this.name=name;

this.age=age;

}

public String getName(){

return name;

}

public int getAge(){

return age;

}

}

public class SortLambda {

public static void main(String[] args){

ArrayList<People> arrayList=new ArrayList<>();

arrayList.add(new People("test1",25));

arrayList.add(new People("test3",24));

arrayList.add(new People("test2",27));

//按照姓名逆字典排序

Collections.sort(arrayList,(a,b)->b.getName().compareTo(a.getName()));

// //按照年龄顺序排序

// Collections.sort(arrayList,(a,b)->a.getName().compareTo(b.getName()));

for(People people:arrayList){

System.out.println(people.getName()+","+people.getAge());

}

}

}