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

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

A.-1

B.255

C.127

D.Compilationwillfail.

E.Compilationwillsucceedbuttheprogramwillthrowanexceptionatline4.

第1题：

publicclasstest(2.publicstaticvoidmain(Stringargs[]){3.inti=0xFFFFFFF1;4.intj=~i;5.6.}7.)Whatisthedecimalvalueofjatline5?()

A.0
B.1
C.14
D.–15
E.Anerroratline3causescompilationtofail.
F.Anerroratline4causescompilationtofail.

参考答案：C
第2题：

1.classExc0extendsException{}2.classExc1extendsExc0{}3.publicclassTest{4.publicstaticvoidmain（Stringargs[]）{5.try{6.thrownewExc1（）；7.}catch（Exc0e0）{8.System.out.println（Ex0caught”）；9.}catch（Exceptione）{10.System.out.println（exceptioncaught”）；11.}12.}13.}Whatistheresult？（）
A.Ex0caught
B.exceptioncaught
C.Compilationfailsbecauseofanerroratline2.
D.Compilationfailsbecauseofanerroratline6.

参考答案：A
第3题：

以下程序的输出结果为:public class test {public static void main(String args[]) {int m=0;for ( int k=0;k<2;k＋＋)method(m＋＋);System.out.println(m);}public static void method(int m) {System.out.print(m);}}

A. 000
B. 012
C.123
D.111

正确答案：B
第4题：

publicclassTest{privatestaticfloat[]f=newfloat[2];publicstaticvoidmain(Stringargs[]){System.out.println(f[0]=＋f[0]);}}Whatistheresult?()

A.f[0]=0
B.f[0]=0.0
C.Compilationfails.
D.Anexceptionisthrownatruntime.

参考答案：B
第5题：

publicclasstest(publicstaticvoidmain(stringargs){int1=0;while(i){if(i==4){break;}＋＋i;}})Whatisthevalueofiatline10?()

A.0
B.3
C.4
D.5
E.Thecodewillnotcompile.

参考答案：E