Java.io Package Questions And Answers

Here you can find Java.io Package Questions and Answers.

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java.io Package Questions & Answers

1. Which of these packages contain classes and interfaces used for input & output operations of a program?

java.io Package Questions & Answers

2. Which of these class is not a member class of java.io package?

java.io Package Questions & Answers

3. Which of these interface is not a member of java.io package?

java.io Package Questions & Answers

4. Which of these class is not related to input and output stream in terms of functioning?

java.io Package Questions & Answers

5. Which of these is specified by a File object?

java.io Package Questions & Answers

6. Which of these is method for testing whether the specified element is a file or a directory?

java.io Package Questions & Answers

7. Which of these classes is used for input and output operation when working with bytes?

java.io Package Questions & Answers

8. Which of these class is used to read and write bytes in a file?

java.io Package Questions & Answers

9. Which of these method of InputStream is used to read integer representation of next available byte input?

java.io Package Questions & Answers

10. Which of these data type is returned by every method of OutputStream?

Java.io Package - Multiple Choice Questions and Answers

This is the java programming questions and answers section on "java.io Package" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.

Java.io Package Questions

Online Test Name	Java.io Package
Exam Type	Multiple Choice Questions
Category	Computer Science Engineering Quiz
Number of Questions	18

1. Which of these packages contain classes and interfaces used for input & output operations of a program?

A. java.util
B. java.lang
C. java.io
D. All of the mentioned

Answer & Explanation

Answer: Option C

Explanation:

java.io provides support for input and output operations.

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2. Which of these class is not a member class of java.io package?

A. String
B. StringReader
C. Writer
D. File

Answer & Explanation

Answer: Option A

Explanation:

String

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3. Which of these interface is not a member of java.io package?

A. DataInput
B. ObjectInput
C. ObjectFilter
D. FileFilter

Answer & Explanation

Answer: Option C

Explanation:

ObjectFilter

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4. Which of these class is not related to input and output stream in terms of functioning?

A. File
B. Writer
C. InputStream
D. Reader

Answer & Explanation

Answer: Option A

Explanation:

A File describes properties of a file, a File object is used to obtain or manipulate the information associated with a disk file, such as the permissions, time date, and directories path, and to navigate subdirectories.