Java实现数组元素反转

Posted 2021-03-22 路上的风景

package com.fgy.demo;

/**
 * 数组元素反转
 */
public class demo05 {
    public static void main(String[] args) {
        int[] arr = {10, 20, 30, 40, 50};
        System.out.print("数组反转前：");
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + "   ");
        }

        System.out.println();
        for(int min = 0, max = arr.length - 1; min < max; min++, max--) {
            int temp = arr[min];
            arr[min] = arr[max];
            arr[max] = temp;
        }

        System.out.print("数组反转后：");
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + "   ");
        }
    }
}