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classThread2implementsRunnable{voidrun(){System.out.print("go");}publicstaticvoidmain(String[]args){Thread2t2=newThread2();Threadt=newThread(t2);t.start();}}结果为:()A.goB.编译失败C.代码运行,无输出结果D.运行时异常被抛出

题目
classThread2implementsRunnable{voidrun(){System.out.print("go");}publicstaticvoidmain(String[]args){Thread2t2=newThread2();Threadt=newThread(t2);t.start();}}结果为:()

A.go

B.编译失败

C.代码运行,无输出结果

D.运行时异常被抛出


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更多“classThread2implementsRunnable{voidrun(){System.out.print("go");}publicstaticvoidmain(String[]args){Thread2t2=newThread2();Threadt=newThread(t2);t.start();}}结果为:() ”相关问题
  • 第1题:

    classOrderimplementsRunnable{publicvoidrun(){try{Thread.sleep(2000);}catch(Exceptione)System.out.print("in");publicstaticvoidmain(String[]args){Threadt=newThread(newOrder());t.start();System.out.print("pre");try{t.join();}catch(Exceptione){}System.out.print("post");可产生哪两项结果?()

    A.preinpost

    B.prein

    C.inpostpre

    D.inprepost

    E.prepostin


    参考答案:A, D

  • 第2题:

    publicclassThreads4{publicstaticvoidmain(String[]args){newThreads4().go();}publicvoidgo(){Runnabler=newRunnable(){publicvoidrun(){System.out.print(”foo”);}};Threadt=newThread(r);t.start();t.start();}}Whatistheresult?()

    A.Compilationfails.

    B.Anexceptionisthrownatruntime.

    C.Thecodeexecutesnormallyandprints?foo”.

    D.Thecodeexecutesnormally,butnothingisprinted.


    参考答案:B

  • 第3题:

    阅读下面程序 public class Test implements Runnable { public static void main(String[] args) { ______ t.start(); } public void run() { System.out.println("Hello!"); } } 程序中下画线处应填入的正确选项是

    A.Test t=new Test();

    B.Thread t=new Thread();

    C.Thread t=new Thread(new Test());

    D.Test t=new Thread();


    正确答案:C

  • 第4题:

    现有:classThread2implementsRunnable{voidrun(){System.out.print("go¨);}publicstaticvoidmain(String[]args){Thread2t2=newThread2();Threadt=newThread(t2);t.start();}}结果为:()

    A.go

    B.运行时异常被抛出

    C.代码运行,无输出结果

    D.编译失败


    参考答案:D

  • 第5题:

    阅读下面程序 public class Test implements Runnable{ public static void main(String[]args){ _______________________________________; t. start(); } public void mR(){ System. out. println("Hello!"); }} 在程序下画线处填入正确选项是

    A.Test t=flew Test()

    B.Thread t=new Thread();

    C.Thread t=new Thread(new Test());

    D.Test t=new Thread();


    正确答案:C
    解析:根据t. start()可知t应该是一个Thread类,排除A)。Thread类与Test类之间没有继承关系,所以排除D)。B)没有指定创建线程的对象,因此t. start()语句不能使Test类的run方法运行。所以选C)。