JAVA Arrays类

Arrays类包含用于操作数据的各种方法

package Experience;

import jdk.nashorn.internal.runtime.arrays.ArrayData;

import java.util.Arrays;

public class ArrayDemo1 {
    public static void main(String[] args){
        int arr[] ={45,67,12,3,90,22};
        System.out.println("排序前:"+ Arrays.toString(arr));
        Arrays.sort(arr);
        System.out.println("排序后:"+ Arrays.toString(arr));
    }
}

排序前:[45, 67, 12, 3, 90, 22]
排序后:[3, 12, 22, 45, 67, 90]