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Java实现数组的倒序输出
package com.java; import java.sql.SQLOutput; import java.util.Scanner; import
java.util.jar.JarOutputStream; public class HelloWorld { public static void
main(String[] args) { //定义一个数组，用静态初始化完成数组元素的初始化 int[]arr={19,28,37,46,50};
//循环遍历数组，这一次初始化语句定义两个索引变量，判断条件是开始索引小于等于结束索引 for(int
start=0,end=arr.length-1;start<=end;start++,end--){ int temp=arr[start];
arr[start]=arr[end]; arr[end]=arr[end]; arr[end]=temp; } //遍历数组
printArray(arr); } public static void printArray(int[]arr) {
System.out.print("["); for(int x=0;x<arr.length;x++){ if(x==arr.length-1){
System.out.print(arr[x]); }else{ System.out.print(arr[x]+","); } }
System.out.println("]"); } }
