Java Core Concepts Quiz

Java Core Concepts Quiz

University

20 Qs

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Java Core Concepts Quiz

Java Core Concepts Quiz

Assessment

Quiz

Other

University

Practice Problem

Easy

Created by

SUREKHA R

Used 3+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mechanism to read/write data (bytes or characters)?

I/O Streams

File handling

Network communication

Data storage

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of capturing user input via console?

File handling

Interactive CLI applications

Logging

Data storage

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of displaying output to the console?

Logging

User feedback

File handling

Data storage

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the character-based output stream used for writing formatted text to files?

PrintWriter Class

BufferedReader

FileInputStream

Scanner

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of file I/O using Reader/Writer classes?

Reading and Writing Files

File handling

Data storage

Logging

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are Java programs embedded in browsers called?

Applets

Classes

Methods

Interfaces

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the type-checking operator in Java?

instanceof Keyword

stricƞp Keyword

native Methods

String Operations

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