单选题Given that file is a reference to a File object that represents a directory， which code fragments will succeed in obtaining a list of the entries in the directory？（）A Vector filelist = （（Directory） file）.getList（）；B String[] filelist = file.directory（）

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单选题

Given that file is a reference to a File object that represents a directory， which code fragments will succeed in obtaining a list of the entries in the directory？（）

Vector filelist = （（Directory） file）.getList（）；

String[] filelist = file.directory（）；

Enumeration filelist = file.contents（）；

String[] filelist = file.list（）；

Vector filelist = （new Directory（file））.files（）；

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相似问题和答案

第1题：

Given that the current directory is empty, and that the user has read and write privileges to the current, and the following:Which statement is true?()

A.Compilation fails.

B.Nothing is added to the file system.

C.Only a new file is created on the file system.

D.Only a new directory is created on the file system.

E.Both a new file and a new directory are created on the file system.

参考答案：B

第2题：

Given the following router output,which configuration file will the router use at its next reload?()

A.config

B.clientqos.cnf

C.startup-config

D.running-configuration

参考答案：D

第3题：

● (74) is a contiguous，numbered set of variables of a given base type，which can be used and passed to functions as a unit.

(74) A．Record

B．Array

C．Parameter

D．File

正确答案：B
【解析】译文：数组是一个由给定基本类型的变量组成的连续有序的集合，它可以作为一个单元使用或者传给某个函数。

第4题：

Given that Thing is a class， how many objects and reference variables are created by the following code？（） Thing item， stuff； item = new Thing（）； Thing entity = new Thing（）；

A、One object is created
B、Two objects are created
C、Three objects are created
D、One reference variable is created
E、Two reference variables are created
F、Three reference variables are created.

正确答案:B,F

第5题：

The(72)turns the source file into an object file and the(73)turns the object file into an executable file.

A．translator

B．compiler

C．interpreter

D．linker

正确答案：B
解析：译文：编译程序将源文件转换成目标文件，连接程序将目标文件转换成可执行文件。

第6题：

Given that the current directory is empty, and that the user has read and write permissions, and the following:Which statement is true?()

A.Compilation fails.

B.The file system has a new empty directory named dir.

C.The file system has a new empty directory named newDir.

D.The file system has a directory named dir, containing a file f1.txt.

E.The file system has a directory named newDir, containing a file f1.txt.

参考答案：E

第7题：

is a contiguous, numbered set of variables of a given base type, which can be used and passed to functions as a unit.

A．Record

B．Array

C．Parameter

D．File

正确答案：B
解析：译文：数组是一个由给定基本类型的变量组成的连续有序的集合，它可以作为一个单元使用或者传给某个函数，

第8题：

Certkiller.com has given you the task of serializing an object and writing it to a data file using binary serialization.You need to ensure that you meet these requirements.What should you do?()

参考答案：A

第9题：

FileSystem Object有两个方法，分别为CreatText File方法和OpenText File方法。

正确答案:正确

第10题：

Which of the following statements are true？（）

A、 The equals（） method determines if reference values refer to the same object.
B、 The == operator determines if the contents and type of two separate objects match.
C、 The equals（） method returns true only when the contents of two objects match.
D、 The class File overrides equals（） to return true if the contents and type of two separate objects match.

正确答案:A,D

Given that file is a reference to a File object that represe

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