Are you on the lookout for the best platforms to help enhance your Java programming skills without spending a rupee?
This blog will guide you through the top websites where you can practice Java for free, ensuring you get ample opportunities to code, and advance your skills.
10 Best Websites for Practicing Java – Overview
Here’s an overview of the top 10 websites to practice Java:
| S.No. | Website Name | Pricing | Certification | Website Link |
|---|---|---|---|---|
| 1 | GUVI | Free | No | Visit Now |
| 2 | CodeGym | Free | No | Visit Now |
| 3 | HackerRank | Free | No | Visit Now |
| 4 | LeetCode | Free | No | Visit Now |
| 5 | GeeksforGeeks | Free | No | Visit Now |
| 6 | Codewars | Free | Yes | Visit Now |
| 7 | W3Schools | Free | No | Visit Now |
| 8 | Codecademy | Freemium | No | Visit Now |
| 9 | Javatpoint | Free | No | Visit Now |
| 10 | Programiz | Free/Paid | No | Visit Now |
Best Websites to Practice Java
Below is the list of best websites to practice Java for beginners:
1. GUVI
CodeKata by GUVI offers a coding practice platform that is designed to enhance coding skills through a series of challenges that replicate real-world problems posed by top companies like Microsoft, Walmart, and Samsung.
It aims to prepare coders for technical interviews and improve their coding proficiency by offering a diverse array of problems in various programming domains.
Questions Diversity: CodeKata encompasses a wide range of coding challenges across multiple categories including basic programming, data structures, algorithms, company-specific challenges, and more.
Pricing: Free
Certifications and Rewards: Rewards are available in the form of “Geekoins” earned by solving challenges.
Language Options: English
Community and Support: Nil
2. CodeGym
CodeGym’s Java coding practice platform provides a comprehensive suite of exercises designed to enhance Java programming skills through structured tasks and immediate feedback.
Questions Diversity: The platform offers over 1500 Java exercises ranging from syntax and core Java topics to more complex areas like multithreading and collections. Exercises include writing code, debugging, and enhancing existing code.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: A “Help” section, a programming forum, and chat functionalities.
3. HackerRank
HackerRank provides a robust platform for enhancing Java programming skills through structured challenges that cover basic to advanced topics.
These challenges are designed to improve problem-solving abilities in Java, making it suitable for both beginners and experienced programmers.
Questions Diversity: The platform categorizes challenges into subdomains such as Introduction, Strings, BigNumber, Data Structures, Object Oriented Programming, Exception Handling, and Advanced Java.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Community forum where users can share solutions, and discuss programming problems.
4. LeetCode
LeetCode 75 provides a curated study plan designed to prepare users for coding interviews by tackling 75 key problems that cover a broad spectrum of data structures and algorithms.
This plan targets various areas, such as arrays, strings, linked lists, binary trees, heaps, and graph algorithms.
Questions Diversity: The challenges within the LeetCode 75 study plan are categorized into multiple sections like Arrays, Strings, Two Pointers, Sliding Window, Prefix Sum, Hash Map, Stack, Queue, Linked List, and more. Each category includes problems ranging from easy to medium difficulty.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Community where users can discuss problems, share solutions, and gain insights from other developers.
5. GeeksforGeeks
GeeksforGeeks offers a comprehensive collection of Java exercises designed to enhance programming skills across various levels.
This platform provides an extensive range of Java practice programs, from basic syntax and pattern programs to complex data structures and algorithms.
Questions Diversity: The exercises cover a broad spectrum of Java topics including arrays, strings, sorting algorithms, searching algorithms, and more complex concepts like dynamic programming and recursion.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Community with forums and comment sections where users can discuss solutions, ask questions, and share insights.
6. Codewars
Codewars hosts coding competitions where developers can enhance their skills by solving a variety of coding challenges, known as “katas”.
Each kata is designed to test different aspects of coding, from fundamentals to advanced topics, across various programming languages.
Questions Diversity: The challenges range from 6 to 4 kyu in difficulty, covering topics like fundamentals, mathematics, algorithms, regular expressions, strings, geometry, puzzles, logic, numbers, games, arrays, and big integers.
Pricing: Free
Certifications and Rewards: System of ranks and honors as rewards
Language Options: English
Community and Support: Community to join discussions via platforms like Discord and GitHub.
7. W3Schools
W3Schools offers a series of Java exercises designed to test and improve coding skills across various Java topics.
These exercises are structured to accompany each chapter of their Java tutorial, providing users with a hands-on approach.
Questions Diversity: The exercises cover a wide range of Java topics, enabling learners to apply concepts practically as they progress through different chapters. Each exercise is designed to challenge the user’s understanding of Java, from basic syntax to more complex programming constructs.
Pricing: Free
Certifications and Rewards: Nil
Language Options: English
Community and Support: Nil
