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publicclassTest{2.publicstaticvoidmain(String[]args){3.unsignedbyteb=0;4.b－－;5.6.}7.}Whatisthevalueofbatline5?()A.-1B.255C.127D.Compilationwillfail.E.Compilationwillsucceedbuttheprogramwillthrowanexceptionatline4.

题目
publicclassTest{2.publicstaticvoidmain(String[]args){3.unsignedbyteb=0;4.b－－;5.6.}7.}Whatisthevalueofbatline5?()

A.-1

B.255

C.127

D.Compilationwillfail.

E.Compilationwillsucceedbuttheprogramwillthrowanexceptionatline4.

相似考题

1.publicclassArrayTest{2.publicstaticvoidmain(String[]args){3.floatf1[],f2[];4.f1=newfloat[10];5.f2=f1;6.System.out.printIn(f2[0]=”＋f2[0]);7.}8.}Whatistheresult?()A.Itprintsf2[0]=0.0B.Itprintsf2[0]=NaNC.Anerroratline5causescompiletofail.D.Anerroratline6causescompiletofail.E.Anerroratline6causesanexceptionatruntime.

2.publicclassTest{privatestaticint[]x;publicstaticvoidmain(String[]args){System.out.println(x[0]);}}Whatistheresult?()A.0B.nullC.Compilationfails.D.ANullPointerExceptionisthrownatruntime.E.AnArrayIndexOutOfBoundsExceptionisthrownatruntime.

3.publicclassTest{publicstaticvoidmain(String[]args){intx=0;assert(x>0)?assertionfailed”:assertionpassed”;System.out.println(Finished”);}}Whatistheresult?()A.finishedB.Compilationfails.C.AnAssertionErroristhrownandfinishedisoutput.D.AnAssertionErroristhrownwiththemessage“assertionfailed”.E.AnAssertionErroristhrownwiththemessage“assertionpassed”.

4.publicclasstest(2.publicstaticvoidmain(Stringargs[]){3.inti=0xFFFFFFF1;4.intj=~i;5.6.}7.)Whatisthedecimalvalueofjatline5?()A.0B.1C.14D.–15E.Anerroratline3causescompilationtofail.F.Anerroratline4causescompilationtofail.

更多“publicclassTest{2.publicstaticvoidmain(String[]args){3.unsignedbyteb=0;4.b－－;5.6.}7.}Whatisthevalueofbatline5?() ”相关问题

  • 第1题：

    publicclassTest{publicstaticvoidmain(String[]args){intx=0;assert(x>0):“assertionfailed”;System.out.println(“finished”);}}Whatistheresult?()

    A.finished

    B.Compilationfails.

    C.AnAssertionErroristhrown.

    D.AnAssertionErroristhrownandfinishedisoutput.


    参考答案：A

    Thisquestionisabittrickybecauseitlacksthefollowinginformation:Itshouldincludeastatementthatsayswhetherornotassertionsareenabled.Iftheyareindeedenabled,the
    correctionanswerisC.butiftheyarenot,thecorrectanswerisA.Assertionsarenotenabledbydefaultsoifthequestionisnotchanged,themostlogicalanswerisA.

  • 第2题：

    阅读下面代码 public class Test { public static void main(String[]args) { System.out.println(2＞0?10:8)； } } 其运行的结果是

    A．2

    B．0

    C．10

    D．8


    正确答案：C

  • 第3题：

    2、1、写出以下程序的输出内容。 public class Test { public static void changeValue（int value){ value = 0; } public static void main（String[] args) { int value = 2010; changeValue（value); System.out.println（value); } }


    2010

  • 第4题：

    publicclassTest{2.publicstaticvoidmain(Stringargs){3.unsignedbyteb=0;4.b－－;5.6.}7.}Whatisthevalueofbatline5?()

    A.-1

    B.255

    C.127

    D.Compilationwillfail.

    E.Compilationwillsucceedbuttheprogramwillthrowanexceptionatline4.


    参考答案：D

  • 第5题：

    阅读下面的程序public class Test {public static void main(String[] args) {for(int x = 0 ; x <=3 ; x＋＋){continue;System.out.print(x%2);}}}运行结果正确的是

    A.跳出循环，无输出

    B.0121

    C.01

    D.0123


    答案：A
    解析：continue语句的作用是终止本次循环，因此contine后的代码永远不会被执行，都是无效代码

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