% cat Main1.java


class Main1 extends Thread {
    public static void main(String[] args) {
Main1 m = new Main1();
m.start();
   try {
   m.join();
   }catch(Throwable exp){}
m.setPriority(5);
    }

    public void run() {
    }
}

% /usr/local/java/jdk1.4/solsparc/bin/java Main1 Exception in thread "main" java.lang.NullPointerException
at java.lang.Thread.setPriority(Thread.java:880)
at Main1.main(Main1.java:10)

###@###.### 2001-10-17