SCJP模拟题2-豆柴文库

您所在位置：网站首页 / SCJP模拟题2.doc / 文档详情

免费试读已结束，剩余 34 页请下载文档后查看

10 金币

下载文档

/ 39

下载提示

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

文本预览

SCJP模拟试题二


--------------------------------------------------------------------------------

此套试题由60道题组成(实际考试为60道题)。


--------------------------------------------------------------------------------

Questions
Question1)

Whichofthefollowinglineswillcompilewithoutwarningorerror.

a)floatf=1.3;
b)charc="a";
c)byteb=257;
d)booleanb=null;
e)inti=10;

answer



--------------------------------------------------------------------------------

Question2)

Whatwillhappenifyoutrytocompileandrunthefollowingcode

publicclassMyClass{
publicstaticvoidmain(Stringarguments[])
{
amethod(arguments);
}
publicvoidamethod(String[]arguments)
{
System.out.println(arguments);
System.out.println(arguments[1]);
}
}
1)errorCan'tmakestaticreferencetovoidamethod.
2)errormethodmainnotcorrect
3)errorarraymustincludeparameter
4)amethodmustbedeclaredwithString

answer


--------------------------------------------------------------------------------

Question3)

Whichofthefollowingwillcompilewithouterror

1)importjava.awt.*;
packageMypackage;
classMyclass{}

2)packageMyPackage;
importjava.awt.*;
classMyClass{}

3)/*Thisisacomment*/
packageMyPackage;
importjava.awt.*;
classMyClass{}

answer



--------------------------------------------------------------------------------

Question4)

Abytecanbeofwhatsize

1)-128to127
2)(-2power8)-1to2power8
3)-255to256
4)dependsontheJavaVirtualmachine

answer


--------------------------------------------------------------------------------

Question5)

Whatwillbeprintedoutifthiscodeisrunwiththefollowingcommandline
javamyproggoodmorning

publicclassmyprog{
publicstaticvoidmain(Stringargv[])

{
System.out.println(argv[2])
}

}

1)myprog
2)good
3)morning
4)Exceptionraised:"java.lang.ArrayIndexOutOfBoundsException:2"

answer



--------------------------------------------------------------------------------

Question6)

Whichofthefollowingarejavareservedwords

1)if
2)then
3)goto
4)while
5)case

answer


-----------------------------------------------------------