class StaticDemo{
static int x;
int y;
public static int getX(){
return x;
}
public static void setX(int newX){
x=newX;
}
public int getY(){
return y;
}
public void setY(int newY){
y=newY;
}
}
public class KY3_4{
public static void main(String[] args){
System.out.println("静态变量x="+StaticDemo.getX());
System.out.println("实例变量y="+StaticDemo.getY());
StaticDemo a=new StaticDemo();
StaticDemo b=new StaticDemo();
a.setX(1);
a.setY(2);
b.setX(3);
b.setY(4);
System.out.println("静态变量a.x="+a.getX());
System.out.println("实例变量a.y="+a.getY());
System.out.println("静态变量b.x="+b.getX());
System.out.println("实例变量b.y="+b.getY());
}
}
应该怎么改呀 结果是什么