package P0;
import java.util.Scanner;

public class NumberDemo {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		final int n = 10;
		int[] arr = new int[n];
		System.out.println("请输入10个整数：");
		
		for(int i=0;i<n;i++)
		{
			Scanner sc = new Scanner(System.in);
			arr[i] = sc.nextInt();
		}
		
		System.out.println("交换前：");
		for(int i=0;i<n;i++)
		{
			System.out.print(arr[i]+" ");
		}
		
		System.out.println();
		
		swap(arr);
		
		System.out.println("交换后：");
		for(int i=0;i<n;i++)
		{
			System.out.print(arr[i]+" ");
		}
		
	}	
	
	public static void swap(int[] arr)
	{
		/*for(int i=0;i<(arr.length-1)/2;i++)
		{
			int temp = arr[i];
			arr[i] = arr[arr.length-1-i];
			arr[arr.length-1-i] = temp;
		}*/
		
		for(int start=0,end=arr.length-1; start<end; start++,end--)
		{
			int temp = arr[start];
			arr[start] = arr[end];
			arr[end] = temp;
		}
		
	}

}