/*class Point {
private int x,y;
public Point(int x,int y) { this.x=x;this.y=y;}
public int getx() {return x;}
public int gety() {return y;}
protected void move (int x,int y) {this.x=x;this.y=y;}
}
class Point3D extends Point{
private int z;
public Point3D (int x,int y,int z) {
super(x,y);
this.z=z;
}
public void moveup() {z++;}
public void movedown() {z--;}
public void move(int x,int y,int z) {
move(x,y);
this.z=z;
}
public String toString() {
return "("+getx()+","+gety()+","+z+")의 점";
}
}
public class Main{
public static void main(String[] args) {
Point3D p=new Point3D(1,2,3);
System.out.println(p.toString()+"입니다");
p.moveup();
System.out.println(p.toString()+"입니다");
p.movedown();
p.move(10,10);
System.out.println(p.toString()+"입니다");
p.move(100,200,300);
System.out.println(p.toString()+"입니다");
}
}*/
class Point {
private int x,y;
public Point(int x,int y) { this.x=x;this.y=y;}
public int getx() {return x;}
public int gety() {return y;}
protected void move (int x,int y) {this.x=x;this.y=y;}
}