×

Home
Jobs
Courses
Certifications
Companies
Online IDE
Login
Signup

What is Java? Mocktest

Question - 19

Home
Java
Java Introduction
What is Java?
Mocktest

1.

What is the ownership of Java?

A). Oracle B). Microsoft C). Google D). Apple

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Oracle Corporation acquired Sun Microsystems in 2010, making it the owner of Java.

2.

How many devices run Java globally?

A). More than 3 billion B). More than 1 billion C). More than 5 billion D). More than 2 billion

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java's widespread adoption has led to over 3 billion devices globally running Java applications.

3.

Which of the following is a common use of Java?

A). Mobile Applications B). Video Editing C). Graphic Design D). 3D Modeling

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java is widely used for developing mobile applications, especially on the Android platform.

4.

What type of applications can be developed using Java?

A). Mobile, Desktop, Web B). Mobile, Desktop C). Mobile, Web D). Desktop, Web

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java's versatility allows developers to create applications for mobile, desktop, and web platforms.

5.

Which of the following is not a Java application domain?

A). Artificial Intelligence B). Database Management C). Gaming D). Social Networking

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

While Java is used in various domains including gaming and social networking, it's not primarily associated with artificial intelligence.

6.

What is the primary programming paradigm of Java?

A). Object-Oriented B). Procedural C). Functional D). Declarative

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java is primarily an object-oriented programming language, emphasizing the use of objects to represent data and behavior.

7.

Which of the following is a benefit of Java's object-oriented nature?

A). Code Reusability B). Code Duplication C). Code Complexity D). Code Confusion

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java's object-oriented paradigm promotes code reusability, enabling developers to efficiently reuse and extend existing code.

8.

What is the default file extension for Java source files?

A). .java B). .class C). .jar D). .exe

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java source files typically have a .java extension, distinguishing them from compiled bytecode (.class files) and executable JAR files (.jar).

9.

What is the Java Virtual Machine (JVM)?

A). Runtime Environment B). Integrated Circuit C). Compiler D). Operating System

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The JVM is a runtime environment that executes Java bytecode, allowing Java programs to run on any device with a compatible JVM installed.

10.

Which of the following statements about Java's platform independence is true?

A). Java code can run on any platform B). Java code runs only on Windows C). Java code runs only on Linux D). Java code runs only on macOS

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Java's platform independence allows code to run on any platform equipped with a compatible JVM, regardless of the underlying operating system.

1
2
Next

COMPANY

About us
Careers
Contact Us
In Press
People
Companies List

Products

Features
Coding Assessments
Psychometric Assessment
Aptitude Assessments
Tech/Functional Assessments
Video Assessment
Fluency Assessment
Campus

Learning
Campus Recruitment
Lateral Recruitment
Enterprise
Education
K 12
Government

OTHERS

Blog
Terms of Services
Privacy Policy
Refund Policy
Mart Category

Partner

Partner Login
Partner Signup

Copyright © RVR Innovations LLP 2024 | All rights reserved - Mytat.co is the venture of RVR Innovations LLP