public class A { public static void doSth(int x, int y) { x ^= y; y ^= x; x ^= y; } public static void main(String args[]) { int x = 5; int y = 6; doSth(x, y); System.out.println("x = " + x + ", y = " + y); } } 上述程序运行结果是( )
x = 5, y = 5
x = 6, y = 5
x = 6, y = 6
x = 5, y = 6