// duynotes blog
public class Point3D {
  private int x;
  private int y;
  private int z;
  public int getX() {
    return x;
  }
  public int getY() {
    return y;
  }
  public int getZ() {
    return z;
  }
   public void setX(int newX) {
    x = newX;
  }
  public void setY(int newY) {
    y = newY;
  }
   public void setZ(int newZ) {
  z = newZ;
  }
}