61         checkInfo(t_a, tg, 1);

    61         checkInfo(t_a, tg, 1);

    62         t_a.start();

    62         t_a.start();

    63         try {

    63         try {

    64             t_a.join();

    64             t_a.join();

    65         } catch (InterruptedException e) {}

    65         } catch (InterruptedException e) {}

    66 

    67 

    67         thrinfo001b t_b = new thrinfo001b();

    68         thrinfo001b t_b = new thrinfo001b();

    68         t_b.setPriority(Thread.MIN_PRIORITY);

    69         t_b.setPriority(Thread.MIN_PRIORITY);

    69         t_b.setDaemon(true);

    70         t_b.setDaemon(true);

    70         checkInfo(t_b, t_b.getThreadGroup(), 2);

    71         checkInfo(t_b, t_b.getThreadGroup(), 2);

    71         t_b.start();

    72         t_b.start();

    73         try {

    73         try {

    74             t_b.join();

    74             t_b.join();

    75         } catch (InterruptedException e) {}

    75         } catch (InterruptedException e) {}

    76         checkInfo(t_b, t_b.getThreadGroup(), 2);

    76         checkInfo(t_b, t_b.getThreadGroup(), 2);

    77         return getRes();

    77         return getRes();