—Who came out()first in the London Marathon? —Michael. He’s always () first to reach the line. A、the; theB、不填;不填C、the; 不填D、不填; the
—Who came out()first in the London Marathon? —Michael. He’s always () first to reach the line.
A、the; the
B、不填;不填
C、the; 不填
D、不填; the
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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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带头结点的单链表first为空的判定条件是()。 A . first==NULLB . first->1ink==NULLC . first->link==firstD . first!=NULL
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在循环单链表中,设指针first指向头结点,当_____时表示链表为空。A.first==NULLB.first->link==NULLC.first->link==firstD.first->link->link==first
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