classWorkimplementsRunnable{Threadother;Work(Threadother){this.other=other;}publicvoidrun(){try{other.join();}catch(Exceptione){}System.out.print("afterjoin");}}classLaunch{publicstaticvoidmain(String[]args){newThread(newWork(Thread.currentThread())).start();System.out.print("afterstart");}}结果为:()
A.afterjoin
B.afterstart
C.afterjoinafterstart
D.afterstartafterjoin