public class MyClass {

private int x;

public int y;

}//end of class MyClass

public class YourClass {

private int x;

public int y;

public void foo() {

MyClass c = new MyClass();

int temp = ..... ;

}

}//end of class YourClass

only: x , y

only: x , y , c.y

only: x , y , c.x , c.y

only: y , c.y