Streams Java

Streams Java

University

50 Qs

quiz-placeholder

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Streams Java

Streams Java

Assessment

Quiz

Professional Development

University

Practice Problem

Hard

Created by

Dhilip Kumar V TTS2750

Used 22+ times

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50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

which of the following is wrapper class in java

Float

Integer

Double

all of above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

which of this class is used by character streams for reading data from buffer

BufferReader

InputStreamReader

FileReader

FileInputStream

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

superclass of all classes representing the output stream of characters is -------------

OutputStream

Reader

InputStream

Writer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is serialization in Java?

It is a process of converting Object data into sequence of bytes

It is the process of converting Sequence of bytes into Objects

Used to transform data in serial form

No serialization in java

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

what is the purpose of 'transient' keyword in serialization

used to provide security to the data

It is not used with serialization

These transient members prints primitive type default values at the time of de-serialization

These transient members prints garbage values at the time of de-serialization

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Serialization throws an error

when two classes combined with HAS-A relationship

when two classes combined with IS-A relationship

Both HAS-A and IS-A gives error

either HAS-A or IS-A gives error

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What is/are the possible exception(s) in De-serialization

IOException

ClassNotFoundException

ClassCastException

SerializationNotSupportedException

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