public class TT implements Runnable{
int b = 100;
public synchronized void m1() throws Exception{
b = 1000;
Thread.sleep(5000);
System.out.println("b = "+ b);
}
public synchronized void m2() throws Exception{
Thread.sleep(2500);
b = 2000;
}
public void run(){
try{
m1();
}catch(Exception e){
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception{
TT tt = new TT();
Thread t = new Thread(tt);
t.start();
tt.m2();
System.out.println(tt.b);
}
}