/**

* @program JavaBooks

* @description: 带参数的简写

* @author: mf

* @create: 2020/08/04 21:14

*/

package lmd;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

public class Test2 {

public static void main(String[] args) {

// jdl7

List<String> list = Arrays.asList("I", "love", "you", "too");

int[] array = list.stream().mapToInt(Integer::valueOf).toArray();

// 按长度排序

// Collections.sort(list, new Comparator<String>() { // 接口 匿名

// @Override

// public int compare(String o1, String o2) {

// if (o1 == null)

// return -1;

// if (o2 == null)

// return 1;

// return o1.length() - o2.length();

// }

// });

// System.out.println(list.toString());

// java 8

Collections.sort(list, (o1, o2) -> o1.length() - o2.length());

System.out.println(list.toString());

}

}