Java Serialization and Networking MCQ Questions

1

What is Java Serialization?

A) The process of converting an object into a byte stream B) The process of converting a byte stream into an object C) The process of converting an object into a text file D) The process of converting a text file into an object

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

2

Which interface in Java is used to mark a class as serializable?

A) `MarkSerializable` B) `SerializableClass` C) `Serialize` D) `Serializable`

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

3

What is the purpose of the `ObjectOutputStream` class in Java Serialization?

A) To read objects from an input stream B) To convert objects to text format C) To write objects to an output stream D) To serialize primitive data types

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

4

In Java Serialization, what is the purpose of the `transient` keyword when applied to an instance variable?

A) It indicates that the variable is mandatory for serialization B) It indicates that the variable should not be serialized C) It indicates that the variable should be ignored during deserialization D) None of These

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

5

What is deserialization in Java Serialization?

A) The process of converting a text file into an object B) The process of converting an object into a text file C) The process of converting a byte stream back into an object D) The process of converting an object into a byte stream

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

6

Which class in Java is responsible for deserialization during Java Serialization?

A) `Serializable` B) `DeserializationHandler` C) `Deserialize` D) `ObjectInputStream`

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

7

In Java Networking, what is the purpose of the `Socket` class?

A) To create a client socket for communication with a server B) To create a server socket for listening to client connections C) To create a thread for concurrent execution D) To handle exceptions in networking

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

8

What is a port number in Java Networking?

A) A type of IP address B) A special code used to encrypt data C) A unique identifier for a host D) A numerical identifier for a specific process on a host

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

9

Which class in Java Networking is used to represent a server socket that listens for incoming client connections?

A) `SocketServer` B) `Server` C) `ServerSocket` D) `SocketListener`

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

10

In Java Networking, what is the purpose of the `URL` class?

A) To establish a socket connection B) To represent a Uniform Resource Locator C) To serialize objects D) None of These

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Java Serialization and Networking MCQ Questions | Java Program MCQs