arrays类

package com.tiedandan.base;

import java.util.Arrays;

public class arrays类 {
public static void main(String[] args) {
int[]a={5,2,3,4};
System.out.println(Arrays.toString(a));//arrays类打印输出
Arrays.sort(a);//升序排序
System.out.println(Arrays.toString(a));
}

 

}