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1、选择题1:以下的C程序代码片段运行后C和d的值分别是多少Inta=1,b=2;Intc,d;c=(a&b)&&a;d=(a&&b)&a;A.0,0B.0,1C.1,0D.1,12:1.What is the result when you compile and run the following code?   2.  3.public class Test  4.  5.{   6.  7.public void method()  8.  9.{  10.  11.for(int i = 0; i < 3; i++)  12.  13.       {  14.  15

2、.       System.out.print(i);  16.  17.       }  18.  19.       System.out.print(i);  20.  21.}  22.  23.}   24.  25.Choices:  Whatistheresultwhenyoucompileandrunthefollowingcode?publicclassTest{publicvoidmethod(){for(inti=0;i<3;i++){System.out.print(i);}System.out.print(i);}}Choices:A.0122B

3、.0123C.CompilationerrorD.Noneofthese3:Math.round(11.5)等於多少?A.11B.12C.11.5D.none4:1.Give the following java class:  2.public class Example{  3.static int x[]=new int[15];  4.public static void main(String args[]){  5.System.out.println(x[5]);  6.}  7.}  8.Which statement is corrected?  Givet

4、hefollowingjavaclass:publicclassExample{staticintx[]=newint[15];publicstaticvoidmain(Stringargs[]){System.out.println(x[5]);}}Whichstatementiscorrected?A.Whencompile,someerrorwilloccur.B.Whenrun,someerrorwilloccur.C.Outputiszero.D.Outputisnull.5:1.Give the following java source fragement:  

5、2.//point x  3.public class Interesting{  4.//do something  5.}  6.Which statement is correctly Java syntax at point x?   Givethefollowingjavasourcefragement://pointxpublicclassInteresting{//dosomething}WhichstatementiscorrectlyJavasyntaxatpointx?A.publicclassMyClass{//dootherthing…}B.stati

6、cintPI=3.14C.classMyClass{//dosomething…}D.none6:WhichfragmentsarenotcorrectinJavasourcefile?A.packagetestpackage;publicclassTest{//dosomething...}B.importjava.io.*;packagetestpackage;publicclassTest{//dosomething...}C.importjava.io.*;classPerson{//dosomething...}publicclassTest{//dosomethi

7、ng...}D.importjava.io.*;importjava.awt.*;publicclassTest{//dosomething...}7:Whichofthefollowingstatementsaretrue?A.TheautomaticgarbagecollectionoftheJVMpreventsprogramsfromeverrunningoutofmemoryB.Aprogramcansuggestthatgarbagecollectionbeperformedandforce