/*

* @由于个人水平有限, 难免有些错误, 还请指点:

* @Author: cpu_code

* @Date: 2020-09-15 19:41:33

* @LastEditTime: 2020-09-15 19:49:38

* @FilePath: \java\Lambda\lambda6.java

* @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)

* @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)

* @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)

* @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)

*/

package Lambda;

import java.util.Arrays;

import java.util.Comparator;

public class lambda6 {

public static void main(String[] args){

// 本来年龄乱序的对象数组

Person[] array = {

new Person("cpucode", 22),

new Person("cpu", 21)

};

// 匿名内部类

Comparator<Person> comp = new Comparator<Person>() {

@Override

public int compare(Person o1, Person o2) {

return o1.getAge() - o2.getAge();

}

};

// // 第二个参数为排序规则，即Comparator接口实例

Arrays.sort(array, comp);

for(Person person: array){

System.out.println(person);

}

}

}

class Person{

private String name;

private int age;

public Person(String name, int age) {

this.name = name;

this.age = age;

}

public void setAge(int age) {

this.age = age;

}

public int getAge() {

return age;

}

}

/*

com.company.Person@2f4d3709

com.company.Person@4e50df2e

*/