Kotlin vs Java: Key Differences You Need to Know

10 February 2025

Mobile

Table of contents

Kotlin Vs Java: Understand the Basics

What is Kotlin?

Features of Kotlin:

Open Source
Extensibility
Efficient and Clean Code
No Runtime Overhead
Compiled to JavaScript
Compiles to JVM Bytecode

What is Java?

Features of Java:

Dynamic
Multithreaded
Object-Oriented
Neutral Architecture
JIT Compiler
Portable

Difference between Kotlin and Java

1. Null Safety

val number: Int? = null

2. Data Classes

3. Smart Casts

4. Coroutines Support

5. Checked Exceptions

6. Extension Functions

7. Code

8. Functional Programming

9. Primitive types

10. Public Fields

11. Wildcard Types

12. Implicit conversions

Build native and cross-platform apps for iOS and Android.

Kotlin vs Java Use Cases

Kotlin Use Cases

Java Use Cases

Companies Using Java vs Kotlin

Companies Using Java

Companies Using Kotlin

Kotlin vs Java: Which is Better?

Wrapping it up!

WRITTEN BY

Akshay Vadsara

Tech Consulting Partner

Akshay is a content management system pro with expertise in dotCMS and Java. He creates dynamic, content-rich websites and applications that deliver a smooth experience.

Akshay Vadsara

Tech Consulting Partner

Akshay is a content management system pro with expertise in dotCMS and Java. He creates dynamic, content-rich websites and applications that deliver a smooth experience.

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