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单项选择题 Public class Holt extends Thread{   Private String sThreadName;   Public static void main(String argv[]) {  Holt  h=new Holt(); h.go(); Holt(){};  Holt(String s){ sThreadName=s;  Public String getThreadName() {  return sThreadName;} }  Public void go(){  Hot first=new Hot("first"); first.start();  Hot second=new Hot("second"); second.start();  }  Public void start() {  For(int i=0;i<2;i++) {  System.out.print(getThreadName()+i); Try{  Thread.sleep(100); }catch(Exception e){  System.out.print(e.getMessage()) ;  } } }  }  当编译运行上面代码时,将会出现() 

A、编译时错误

B、输出first0,second0,first0,second1

C、输出first0,first1,second10,second1

D、运行时错误

  • C
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