제가 thread 안에서 또 thread를 돌리는데... 빨간색 thread안에 있는 bg한 정수값을 밖에 있는  thread에서도 쓰려면 어떻게 해햐 할까요!?ㅜㅜ

=================================  소스 ==================================================

int bg=1;
 
 @Override
 public void run() {
  // TODO Auto-generated method stub
  int df = 0;
  int dd=1;
  System.out.println("대기중.......");
  //final int bg;
  
  
  //re = new recive();
  //re.start();
  
  
  btf = new Thread(new Runnable(){

   @Override
   public void run() {
    // TODO Auto-generated method stub
    try{
     server1 = new ServerSocket(bPort);
     client = server1.accept();
     //output1 = client1.getOutputStream();
     //output.write(i);
     input = client.getInputStream();
     
     bg = input.read();              <== 이변수릐 값을 밑에서도 같이 쓰고 싶은데.. 밑에서는 이 값이 설정이 안되여.
     System.out.println("BB>>>>"+bg);
     
     
     input.close();
     client.close();
     
    }catch (Exception e){}
    
    return;
    
   }});
  
  btf.start();
  
  System.out.println(">>>> BG >>>>>"+bg);
  
  try {
   
   server = new ServerSocket(Port);
   System.out.println("수신중.......");

   System.out.println(">>>> BGss >>>>>"+bg);
   
   
   
   if(bg == 1)     <=== 이부분에서 쓰고 싶은데... 값이 넘어오지가 않네요,..ㅠㅠ
   {
    while(df < 2)
    {
 
     byte[] buf = new byte[1024];
     
     while((client = server.accept()) != null)
     {
      System.out.println("client 접속......");
      
      
      if(df == 0)  file = new File("C:\\Users\\seongu\\Documents\\심장.jpg");
      else if(df == 1) file = new File("C:\\Users\\seongu\\Documents\\심장박동기구조.jpg");
      
      String flen = String.valueOf(file.length());
      
      header = "0000000000".substring(0, 10-flen.length())+flen;
      
      
      
      FileInputStream in = new FileInputStream(file);
      output = client.getOutputStream();
 
 
      output.write(header.getBytes());
      
      while(in.available() > 0)
      {
       int rea = in.read(buf);
       output.write(buf, 0, rea);
       
      }
      System.out.println(df+"번째 이미지 다운 완료");
      df++;
      
     }
    output.close();
    client.close();
    server.close();
    
 
    Thread.sleep(10000);
    }
   }
   
  }