蓝桥杯-试题 算法训练 数据交换

import java.util.Scanner;

public class Main {

	static Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		int x = sc.nextInt();
		int y = sc.nextInt();
		
		int[] swap = swap(x, y);
		x = swap[0];
		y = swap[1];
		
		
		System.out.println(x+" "+y);
	}
	
	static	public int[] swap(int x,int y){
		int tmp = x;
		x = y;
		y = tmp;
		return new int [] {x,y};
	}
	
}