题目内容:
下列程序的功能是在监控台上每隔一秒钟显示一个字符串“Hello”,能够填写在程序中下划线位置,使程序完整并能正确运行的语句是 publicclassTestimplementsRunnable{
publicstaticvoidmain(Stringargs[]){
Testt=newTest();
Threadtt=newThread(t);
tt.start();
}
publicvoidrun(){
for(;;){
try{
;
}catch(e){}
System.put.println("Hello");
}
}
}
A.sleep(1000)
InterruptedException
B.sleep(1000)
InterruptedException
C.Thread.sleep(1000)
RuntimeException
D.Thread.sleep(1000)
InterruptedException
参考答案:
答案解析: