对于元组valt=(1,3.14,"Fred")说法错误的是?()A、t._0?等于1B、t的类型为Tuple3[Int,Double,java.lang.String]C、val(first,second,_)=t?//second等于3.14D、t._0无法访问,会抛出异常
对于元组valt=(1,3.14,"Fred")说法错误的是?()
- A、t._0?等于1
- B、t的类型为Tuple3[Int,Double,java.lang.String]
- C、val(first,second,_)=t?//second等于3.14
- D、t._0无法访问,会抛出异常
相关考题:
PublicclassHoltextendsThread{PrivateStringsThreadName;Publicstaticvoidmain(Stringargv[]){Holth=newHolt();h.go();Holt(){};Holt(Strings){sThreadName=s;PublicStringgetThreadName(){returnsThreadName;}}Publicvoidgo(){Hotfirst=newHot(first);first.start();Hotsecond=newHot(second);second.start();}Publicvoidstart(){For(inti=0;i2;i++){System.out.print(getThreadName()+i);Try{Thread.sleep(100);}catch(Exceptione){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,second1C.输出first0,first1,second10,second1D.运行时错误
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