Output an array in reverse order.

topic

Output an array in reverse order.

import java.util.*;
public class ArrayReverse {
    
    
	public static void main(String[] args) {
    
    
		Scanner s = new Scanner(System.in);
		int a[] = new int[20];
		System.out.println("请输入多个正整数(输入-1 表示结束)：");
		int i=0,j;
		do{
    
    
			a[i]=s.nextInt();
			i++;
		}while (a[i-1]!=-1);
		System.out.println("你输入的数组为：");
		for( j=0; j<i-1; j++) {
    
    
			System.out.print(a[j]+"	");
		}
		System.out.println("\n 数组逆序输出为：");
		for( j=i-2; j>=0; j=j-1) {
    
    
			System.out.print(a[j]+"	");
		}
	}
}