1 public class Param_test {
2
3 public void change(Point point) {
4
5 point.x = 3;
6 point.y = 4;
7
8 }
9
10 public static void main(String[] args) {
11 Param_test pt = new Param_test();
12 Point point = new Point();
13 pt.change(point);
14 System.out.println(point.x);
15 System.out.println(point.y);
16 }
17
18 }
19
20 class Point {
21
22 int x;
23 int y;
24 }
1 public class Param_test {
2 public void change(Point point) {
3 point = new Point();
4 point.x = 3;
5 point.y = 4;
6
7 }
8
9 public static void main(String[] args) {
10 Param_test pt = new Param_test();
11 Point point = new Point();
12 pt.change(point);
13 System.out.println(point.x);
14 System.out.println(point.y);
15 }
16
17 }
18
19 class Point {
20
21 int x;
22 int y;
23 }
