通过随机数动态产生滚动数字的效果

RandomNumber t=new RandomNumber();  //  @jve:decl-index=0:
class RandomNumber implements Runnable { 
Random random;  
boolean stop = false;  
public RandomNumber() {  
random = new Random();  
}   
public void run() {  
while(!stop) {    
for(int i=0;i<6;i++) {  
j1.setText(String.valueOf(random.nextInt(53))+" ");
j2.setText(String.valueOf(random.nextInt(53))+" ");
j3.setText(String.valueOf(random.nextInt(53))+" ");
j4.setText(String.valueOf(random.nextInt(53))+" ");
j5.setText(String.valueOf(random.nextInt(53))+" ");
j6.setText(String.valueOf(random.nextInt(53))+" ");
}    
try {   
Thread.sleep(200);   
} catch (InterruptedException e) {  
e.printStackTrace();    
}  
} 
} 
} 


   //通过按钮事件调用
                                        String ss = b3.getText();   //b3按钮
if(ss.equals("洗牌")) {