package JavaBasic;
import java.util.ArrayList;
import java.util.Collections;
/**
* @Classname SortLambda
* @Description 使用lambda表达å¼é‡å†™æŽ’åºæ–¹æ³•
* @Date 19-7-7 下åˆ3:17
* @Created by mao
*/
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 arrayList=new ArrayList<>();
arrayList.add(new People("test1",25));
arrayList.add(new People("test3",24));
arrayList.add(new People("test2",27));
//按照姓å逆å—典排åº
Collections.sort(arrayList,(a,b)->b.getName().compareTo(a.getName()));
// //按照年龄顺åºæŽ’åº
// Collections.sort(arrayList,(a,b)->a.getName().compareTo(b.getName()));
for(People people:arrayList){
System.out.println(people.getName()+","+people.getAge());
}
}
}