point3d.java

一些基本的java程序源代码

package point2D;

public class Point3D extends Point2D {
	private int z;
	public Point3D(){
		super();
	}
	Point3D(int x,int y,int z){
		super(x,y);
		this.z=z;
	}
	public void setZ(int z){this.z=z;}
	public int getZ(){return z;}

}