小弟第二回发帖，跪求个大神指点一二啊 啊

小弟第二次发帖，跪求个大神指点一二啊啊啊 啊.
这是小弟第一次发帖的地址，望大神有时间去看看.  指点指点，感激不尽
http://bbs.csdn.net/topics/390790377?page=1#post-397407492

------解决方案--------------------

package cn.com.microproposal.test;

import java.util.Random;

public class Test{
    Random random = new Random();
    public FatherShape CreateShape()  {
        int RandomNumber = random.nextInt(4);
        FatherShape  s = null ;

        if(RandomNumber ==1) {
            s = new SonRectangle();
        }
        else if(RandomNumber==2) {
            s = new SonCircle();
        }else
            s = new SonTriangle();
            return s;
    }
    public static void main(String[] arge){
        Test   ShapeDemo = new  Test();
        FatherShape[]  FatherShapes = new  FatherShape[20];
        for(int i = 0;i < FatherShapes.length; i++) {
                FatherShapes[i] = ShapeDemo.CreateShape();
                System.out.println("这是第"+FatherShape.c.getCount()+"次调用");
                FatherShapes[i].PictureDraw();
            }
 }
}

class FatherShape {
	static Counter c = new Counter();
	public void PictureDraw() {
		System.out.println("draw a picture");
	}
}

class SonRectangle extends FatherShape {
	public void PictureDraw() {
		System.out.println("draw a picture:  矩形");
	}
}

class SonCircle extends FatherShape {
	public void PictureDraw() {
		System.out.println("draw a picture：圆形");
	}
}

class SonTriangle extends FatherShape {
	public void PictureDraw() {
		System.out.println("draw a picture : 三角形");
	}
}

class Counter {
	public int i = 0;
	public int getCount() {
		return ++i;
	}
}

------解决方案--------------------

public class JavaTest {
	Random random = new Random();
	public FatherShape CreateShape(Counter count) {
		int RandomNumber = random.nextInt(4);
		FatherShape s = null;
		if (RandomNumber == 1) {
			s = new SonRectangle(count);
		} else if (RandomNumber == 2) {
			s = new SonCircle(count);
		} else{
			s = new SonTriangle(count);
                 }
		return s;
	}
	public static void main(String[] arge) {
		Counter count = new Counter();
		JavaTest ShapeDemo = new JavaTest();
		FatherShape[] FatherShapes = new FatherShape[20];
		for (int i = 0; i < FatherShapes.length; i++) {
			FatherShapes[i] = ShapeDemo.CreateShape(count);
			FatherShapes[i].pictureDraw();
		}
	}
}
class FatherShape {
	protected Counter count;
	public FatherShape(Counter count){
		this.count = count;
	}
	public void pictureDraw() {
		count.getCount();
		System.out.println("这是第" + count.i + "次调用");
	}
}

class SonRectangle extends FatherShape {
	public SonRectangle(Counter count) {
		super(count);
	}
	@Override
	public void pictureDraw() {
		super.pictureDraw();
		System.out.println("draw a picture:  矩形");
	}
}

class SonCircle extends FatherShape {
	public SonCircle(Counter count) {
		super(count);
	}
	@Override
	public void pictureDraw() {
		super.pictureDraw();
		System.out.println("draw a picture：圆形");
	}
}

class SonTriangle extends FatherShape {
	public SonTriangle(Counter count) {
		super(count);
	}
	@Override
	public void pictureDraw() {