将一个数组逆序输出

将一个数组逆序输出：

package demo40;

import java.util.Scanner;

/**
 * 将一个数组逆序输出
 * @author Administrator
 *
 */
public class Demo31 {
	public static void main(String[] args) {
		test();
	}
	
	public static void test(){
		System.out.println("请输入数组的长度（元素个数）：");
		
		Scanner s = new Scanner(System.in);
		int n = s.nextInt();
		int[] a = new int[n];
		
		for(int i=1;i<=n;i++){
			System.out.println("请输入该数组的第"+i+"个元素");
			a[i-1] = s.nextInt();
		}
		
		System.out.println("原数组各个元素如下：");
		for(int i=0;i<a.length;i++){
			System.out.print(a[i]+"\t");
			if (i==a.length-1) {
				System.out.println();
			}
		}
		
		System.out.println("原数组逆序输出的结果为：");
		int temp = 0;
		if(a.length%2==0){
			for(int i=0;i<a.length/2;i++){
				temp = a[i];
				a[i] = a[a.length-1-i];
				a[a.length-1-i]=temp;
			}
			for(int j=0;j<a.length;j++){
				System.out.print(a[j]+"\t");
			}
		}else {
			for(int i=0;i<(a.length-1)/2;i++){
				temp = a[i];
				a[i] = a[a.length-1-i];
				a[a.length-1-i]=temp;
			}
			for(int j=0;j<a.length;j++){
				System.out.print(a[j]+"\t");
			}
		}
	}
}
package demo40;

import java.ut