Best Websites to Practice Java
Many people begin learning Java through books, tutorials, or online videos, but often find it difficult to write code confidently without consistent practice. Without solving real problems, it’s hard to remember syntax, understand logic, or build confidence. Beginners also struggle to find platforms that provide clear guidance and structured practice.
Popular options like Placement Preparation, GUVI, HackerRank, and W3Schools offer Java challenges, coding exercises, and interactive editors to help learners build skills gradually. This blog will guide you to websites that make it easier to practice Java in a simple, beginner-friendly way.
10 Best Websites for Practicing Java – Overview
If you’re just starting out with Java, choosing where to practice can feel a bit overwhelming. There are many platforms available, but not all of them provide the kind of step-by-step guidance that beginners often need.
Some websites focus mainly on complex problems, while others may not explain concepts clearly or offer helpful feedback. To help you get started with confidence, we’ve put together a list of websites that offer structured Java practice, beginner-friendly challenges, and real-time learning support.
Here’s an overview of the top 10 websites to practice Java:
| S.No. | Website Name | Difficulty Level | Pricing | Website Link |
|---|---|---|---|---|
| 1 | Placement Preparation | Beginner to Advanced | Freemium | visit now |
| 2 | GUVI – CodeKata | Beginner to Advanced | Free | visit now |
| 3 | CodeGym | Beginner to Intermediate | Free | Visit Now |
| 4 | HackerRank | Beginner to Advanced | Free | Visit Now |
| 5 | LeetCode | Intermediate | Free (Premium optional) | Visit Now |
| 6 | GeeksforGeeks | Beginner to Intermediate | Free | Visit Now |
| 7 | Codewars | Beginner to Advanced | Free | Visit Now |
| 8 | W3Schools | Beginner | Free | Visit Now |
| 9 | Codecademy | Intermediate to Advanced | Pro subscription required | Visit Now |
| 10 | Programiz | Beginner to Intermediate | Free (with paid upgrade) | Visit Now |
Best Websites to Practice Java
Below is the list of best websites to practice Java for beginners:
1. Placement Preparation
Placement Preparation is a live coding platform for Java learners that offers in-browser practice with real-time hints and feedback. It is arranged by increasing skill levels—beginner, intermediate, and advanced—to guide users through core Java topics step by step.
Each exercise includes common interview questions on topics such as OOP, collections, exception handling, and multithreading—chosen for their relevance in technical rounds.
Learners can revisit repeated problems to reinforce understanding and gain familiarity with typical patterns.
Practice Format: Live coding challenges
Learning Path: Structured by level and interview relevance
Difficulty Level: Beginner to Advanced
Progress Tracking: Real-time hints, feedback, and scoring
Pricing: Freemium (core content is free)
2. GUVI – CodeKata
GUVI’s CodeKata provides topic-aligned Java challenges based on real company problems. It helps learners grow through structured problems in areas like data structures, OOP, and algorithms.
Each submission earns “Geekoins” and is auto-evaluated, delivering instant feedback. This system encourages steady progress by combining mentorship-style progression with quantifiable rewards.
Practice Format: Coding questions with instant grading
Learning Path: Topic-wise challenge sets
Difficulty Level: Beginner to Advanced
Progress Tracking: Geekoins and automated submissions
Pricing: Free
3. CodeGym
CodeGym offers over 1,500 Java exercises ranging from basic syntax to advanced topics like streams and multithreading. It uses an interactive interface that enables learners to code and see results instantly.
The platform also provides debugging tasks and modifications of existing code, aiding both writing and understanding of Java logic. A built-in forum offers help and clarifications, making it beginner-friendly.
Practice Format: Interactive coding and debugging
Learning Path: Topic-based progressive exercises
Difficulty Level: Beginner to Intermediate
Progress Tracking: Immediate test results
Pricing: Free
4. HackerRank
HackerRank offers Java challenges organized by subdomains such as Strings, Data Structures, and OOP. It enables learners to solve problems in-browser and compare results via leaderboards.
The platform includes community discussions and editorials for deeper insights. Its structure makes it suitable for learners who want both foundational concepts and interview-ready problems.
Practice Format: In-browser coding problems
Learning Path: Subdomain-based modules
Difficulty Level: Beginner to Advanced
Progress Tracking: Scores and discussion threads
Pricing: Free
5. LeetCode
LeetCode’s “LeetCode 75” Java study plan organizes 75 essential problems across data structures and algorithms. It covers arrays, trees, searching, and dynamic programming in a guided format.
Each problem can be solved in LeetCode’s editor, and community solutions are visible after submission. The plan is particularly useful for interview preparation and logical skill building.
Practice Format: Coding problems with test cases
Learning Path: Guided study plan
Difficulty Level: Intermediate
Progress Tracking: Stats and discussion forums
Pricing: Free (Premium optional)
6. GeeksforGeeks
GeeksforGeeks offers a large set of Java practice problems spanning arrays, recursion, trees, and algorithms. Each problem is paired with detailed solutions and explanations.
The platform’s articles and community discussions help learners understand varied approaches. It’s useful for both foundational learning and step-by-step algorithm practice.
Practice Format: Problem-solving with code examples
Learning Path: Topic-wise collections
Difficulty Level: Beginner to Intermediate
Progress Tracking: Problem completion and comments
Pricing: Free
7. Codewars
Codewars offers ranked Java “kata” challenges that grow in difficulty over time. Learners solve problems, gain ranks and compare their solutions with others’.
This platform emphasizes repetition and community feedback. A leaderboard and honor system help maintain coding motivation.
Practice Format: Gamified kata challenges
Learning Path: Rank-based progression
Difficulty Level: Beginner to Advanced
Progress Tracking: Rank, honor score, community votes
Pricing: Free
8. W3Schools
W3Schools provides Java tutorials with embedded editors where learners can modify and test code immediately. The lessons cover syntax, loops, arrays, and basic OOP.
Each tutorial includes exercises tied to the lesson learned. The simplicity of the interface and immediate feedback make it good for absolute beginners.
Practice Format: Interactive code examples and exercises
Learning Path: Chapter-wise tutorials
Difficulty Level: Beginner
Progress Tracking: Manual progression by topic
Pricing: Free
9. Codecademy
Codecademy offers project-based Java challenges modeled after real technical interviews. These focus on lists, trees, and algorithms, and include small coding tests.
Pro membership gives access to detailed feedback and quizzes. Community forums help learners share insight and ask questions.
Practice Format: Project and quiz-based challenges
Learning Path: Structured by concept
Difficulty Level: Intermediate to Advanced
Progress Tracking: Projects, quizzes, and feedback
Pricing: Pro subscription required
10. Programiz
Programiz offers a clear and beginner-friendly Java tutorial designed to simplify learning through step-by-step guidance. It covers core Java topics like syntax, loops, methods, arrays, and object-oriented programming.
What sets Programiz apart is its structured content delivery and mobile accessibility through its learning app.
Practice Format: Tutorial-based examples with interactive editors
Learning Path: Chapter-wise tutorials from beginner to advanced
Difficulty Level: Beginner to Intermediate
Progress Tracking: Manual topic completion and progress tracking via app
Pricing: Free (Paid version available with additional features)
Final Words
With so many beginner-friendly platforms available, getting started with Java is more accessible than ever. Websites like Placement Preparation, CodingBat, HackerRank, and W3Schools offer structured exercises, real-time feedback, and hands-on challenges to help you build your coding skills step by step.
Whether you’re preparing for placements, working on logic building, or learning Java as your first programming language, these tools provide a practical way to practice and improve. We’ll continue updating this article as more platforms gain popularity and learners share what’s helping them the most.
Frequently Asked Questions
1. What are the best websites for practicing java?
Several websites are available to practice Java, including Placement Preparation, GUVI, HackerRank, W3Schools, LeetCode, and JavaPoint.
2. Why should I use a website to practice Java?
Websites offer interactive coding problems, real-time feedback, and structured lessons that make it easier to understand Java concepts and apply them through practice.
3. How do I choose the right website for practicing Java?
Look for platforms that match your current skill level, offer step-by-step learning paths, and provide instant feedback or explanations. Some also include interview-style problems and community support.
4. Can a beginner practice Java effectively through websites?
Yes, many websites are designed for beginners and offer simple exercises, helpful hints, and gradual progression through Java fundamentals.
5. What is the best website for beginners to practice Java?
Placement Preparation is a great choice with its live code editor and interview-based questions. CodingBat is also useful for building basic logic through small, focused exercises.
6. Is Placement Preparation good for practicing Java coding?
Yes, Placement Preparation provides live Java coding practice with real-time hints and structured levels. It helps you start from the basics and improve steadily through interview-relevant exercises.
Explore More Java Resources
- Java Learning Websites
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- Java Interview Questions
Explore More Practice Websites
Thirumoorthy serves as a teacher and coach. He obtained a 99 percentile on the CAT. He cleared numerous IT jobs and public sector job interviews, but he still decided to pursue a career in education. He desires to elevate the underprivileged sections of society through education
Thirumoorthy serves as a teacher and coach. He obtained a 99 percentile on the CAT. He cleared numerous IT jobs and public sector job interviews, but he still decided to pursue a career in education. He desires to elevate the underprivileged sections of society through education
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