package backend02;
//Collections工具类的使用
import java.util.ArrayList;
import java.util.Collections;
public class Practice07 {
public static void main(String[] args) {
ArrayList<String>list =new ArrayList<>();
//语法格式:
//Collections.addAll(集合对象,内容1,内容2,内容n);
Collections.addAll(list,"aaa","bbb","ccc");
System.out.println(list);
System.out.println("-----------------------------");
Collections.shuffle(list);
System.out.println(list);
}
}
标签:java,list,System,Collections,使用,println,工具,out
From: https://blog.51cto.com/u_16072958/8908775