如何将IOExcpetion添加到此代码？

Question

这是我的主类：

public class Table extends java.applet.Applet implements Runnable 
{ 
    public void init() 
    { 
     Balla.addBall(); 
    } 
} 

这是巴拉方法：当我从complie它

public static void addBall()throws IOException 
    { 
     Random generator = new Random(); 
     Ball b = new Ball(100,100,8,Color.blue,generator.nextInt(4)+1,generator.nextInt(4)+1); 
     FileWriter fw = new FileWriter("C:\\temp_Jon\\BallData.ballz",true); 
     PrintWriter pw = new PrintWriter(fw,true); 
     pw.print(b.getX()+" "+b.getY()+" "+b.getRadius()+" "+b.color+" "+b.speedX+" "+b.speedY); 
     fw.close(); 
     pw.close(); 
    } 

现在我的问题来了。它告诉我，我在init方法未报告的IOException异常，但是当我添加的方法抛出IOException异常它告诉我：
错误：的init（）表中的Applet

不能覆盖的init（）我怎样才能解决这个问题和/或如何解决这个问题而不用修改所有的东西？

Answer 1

改变这种

public static void addBall()throws IOException 
    { 
     Random generator = new Random(); 
     Ball b = new Ball(100,100,8,Color.blue,generator.nextInt(4)+1,generator.nextInt(4)+1); 
     FileWriter fw = new FileWriter("C:\\temp_Jon\\BallData.ballz",true); 
     PrintWriter pw = new PrintWriter(fw,true); 
     pw.print(b.getX()+" "+b.getY()+" "+b.getRadius()+" "+b.color+" "+b.speedX+" "+b.speedY); 
     fw.close(); 
     pw.close(); 
    } 

到

public static void addBall() 
    { 
     Random generator = new Random(); 
     Ball b = new Ball(100,100,8,Color.blue,generator.nextInt(4)+1,generator.nextInt(4)+1); 
     try 
{ 
     FileWriter fw = new FileWriter("C:\\temp_Jon\\BallData.ballz",true); 
     PrintWriter pw = new PrintWriter(fw,true); 
     pw.print(b.getX()+" "+b.getY()+" "+b.getRadius()+" "+b.color+" "+b.speedX+" "+b.speedY); 
     fw.close(); 
     pw.close(); 
    } 
catch(Exception e) 
{ 
} 
} 

，看看它是否工作