[Java] 20151008_Inheritance

/***************************************/
/** 20151008 Inheritance              **/
/** Maker  : Yan                      **/
/** E-Mail : [email protected] **/
/** Date   : 2015/10/08 am.11:30      **/
/***************************************/

public class Main {

    public static void main(String[] args) {
        vector v1 = new vector();
        v1.InValue1(10, 20);

        System.out.printf("X1 = %3d, Y1 = %3d\n",
                v1.GetX1(), v1.GetY1());

        vectors v2 = new vectors();
        v2.InValue1(100, 200);
        v2.InValue2(300, 400);
        System.out.printf("X1 = %2d, Y1 = %2d\nX2 = %3d, Y2 = %3d\n",
                v2.GetX1(), v2.GetY1(),
                v2.GetX2(), v2.GetY2());
    }
}

class vector {
protected
    int x1;
    int y1;
public
    void InValue1(int inX, int inY) { x1 = inX; y1 = inY; }
    int GetX1() { return x1; }
    int GetY1() { return y1; }
}

class vectors extends vector {
private
    int x2;
    int y2;
public
    void InValue2(int inX, int inY) { x2 = inX; y2 = inY; }
    int GetX2() { return x2; }
    int GetY2() { return y2; }
}