像这样:PIGGY is on his 1 lapSTAR is on his 1 lap
PIGGY is on his 2 lapSTAR is on his 2 lappublic classThread t2 = new Thread(new ExThread("ELEFANT"));
Thread t3 = new
新拉尔夫(); public static void main(String [] args) Child ralph = new Ralph(); Child jack = new Jack(); ArrayList<Child> children= new ArrayList<Child>(); chi