数组正遍历,数组倒遍历

package com.pang.array_demo;

public class Array_Demo {
    public static void main(String[] args) {
        int[] arr = {1,2,3,4,3,45};
        arrayDemo(arr);
        System.out.println("===========");
        arrayDemo02(arr);
    }

    // 数组正遍历
    public static void arrayDemo(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }

    // 数组倒遍历
    public static void arrayDemo02(int[] arr) {
        for (int i = arr.length - 1; i >= 0; i--) {
            System.out.println(arr[i]);
        }
    }
}