public class TestSync2 implements Runnable{
    static int b = 10;
    
    public synchronized void f1(){
        try{
        Thread.sleep(1000);
    } catch (InterruptedException ie){}
        int b = 1000;
        //synchronized (f2);
        System.out.println("B1 = " + b);        
        }
        
    public  synchronized static void f2(){
        try{
        Thread.sleep(5000);
    }    catch (InterruptedException ie){}
        int b = 2000;
        System.out.println("B2 = " + b);        
        }
        
    public void run(){
            f1();
        }            
    
    public static void main(String[] args){
        TestSync2 ts = new TestSync2();
        Thread tst = new Thread(ts);
        tst.start();
        TestSync2.f2();
        System.out.println("ALL DONE B= " + ts.b);        
        }
    }

 public  synchronized static void f2(){
         try{
         [color=#FF0000]System.out.printl("运行f2");[/color]
         Thread.sleep(5000);
     }    catch (InterruptedException ie){}
         int b = 2000;
         System.out.println("B2 = " + b);
          }