下列程序的运行结果是【】。 include ＜iostream. h＞ class Sample {int x,y;public:Sample（) {x=y=0

下列程序的运行结果是【 】。

include ＜iostream. h＞

class Sample {

int x,y;

public:

Sample() {x=y=0; }

Sample(int a, int b) {x=a;y=b;}

void disp() {

cout＜＜" x=" ＜＜x＜＜" , y="＜＜y＜＜end1;

}

};

void main() {

Sample s1, s2(1, 2);

s1. disp0;

s2. disp ();

}