java

package com.hb2.Arrays类;
//导入!!!
import java.util.Arrays;

public class 打印数组元素 {
    public static void main(String[] args) {

        //Arrays.sort(arr)排序，不演示

        int[] a= {1,2,3,4,5};
        System.out.println(a);

        //打印数组：Arrays.toString()

        System.out.println(Arrays.toString(a));

        
        //填充数组：Arrays.fill()

        Arrays.fill(a,0);
        System.out.println(Arrays.toString(a));

        Arrays.fill(a,2,4,1);
        System.out.println(Arrays.toString(a));

        /*   
                输出：[I@448139f0
                [1, 2, 3, 4, 5]
                [0, 0, 0, 0, 0]
                [0, 0, 1, 1, 0]
        */

    }
}