Best Java Learning Websites for Beginners

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This page contains a list of popular and useful websites to learn Java programming for Java beginners. Anyone who wants to learn Java programming can refer to this page as a reference.
I have designed Java tutorial for beginners, check out at Java Tutorial | Learn Java Programming with Examples
List of top 10 Java website for beginners:

  1. docs.oracle.com/javase/tutorial

  2. https://baeldung.com

  3. http://mkyong.com 

  4. https://howtodoinjava.com 

  5. https://javaguides.net // my website

  6. https://javarevisited.blogspot.com 

  7. https://journaldev.com 

  8. https://beginnersbook.com

  9. https://javatpoint.com

  10. https://www.tutorialspoint.com

Friends, if you think any other websites are useful for beginners to learn Java programming then suggest websites in a comment section, I will review and add to this list.

Help beginners by suggesting websites to learn the Java programming language.

Guides to Java, Spring Boot, Microservices Best Practices

How to Write Less Java Code and Do More (Effective Java Hacks) 10 Career Mistakes Every Java Developer Should Avoid 10 Java One-Liners That Will Make You Look Like a Pro 🚀 Top 7 Refactoring Techniques to Clean Up Your Java Code Stream API Refactoring Tricks for Legacy Code How to Write Better Java Methods (Short, Clear, Powerful) Java Methods Best Practice: Use Meaningful Return Types 🔥Top 10 Java Clean Code Practices Every Developer Should Follow ✅ 7 Common Java Code Smells You Should Fix Immediately [With Real-World Use Cases] Stop Building Tight-Coupled Microservices: Aim for Loose Coupling Top 10 Mistakes in Java and How to Avoid Them (With Examples) Top 10 Mistakes in Spring Boot Microservices and How to Avoid Them (With Examples) Top 10 Mistakes in Hibernate and How to Avoid Them (With Examples) Spring Boot Security Best Practices: Protecting Your Application from Attacks Top 10 REST API Security Mistakes and How to Fix Them Effective Java: 15 Best Practices for Writing Clean and Efficient Code Top 10 Spring Data JPA Mistakes and How to Avoid Them (With Examples) Top 10 GraphQL API Mistakes and Best Practices Concurrency in Java: Best Practices for Multithreading and Parallel Processing Top 10 Database Design Mistakes and How to Avoid Them How to Become a Good Java Developer in 2025 Top 10 Python Best Practices Every Developer Should Follow Top 10 MongoDB Best Practices Every Developer Should Follow Top 10 JavaScript Best Practices Top 10 TypeScript Best Practices Every Developer Should Follow Top 10 HTML Best Practices for Clean and Efficient Web Development 🛠️ From Legacy to Modern Java: A Practical Refactoring Guide ☕ Java Isn’t Boring. You Just Write Boring Code Top 20 Spring Boot Best Practices for Java Developers Top 10 Design Patterns Every Java Developer Should Know 🚀 Top 15 Java Collections and Generics Best Practices Top 10 Java 21 Best Practices with Complete Examples Top 10 Best Practices for File Handling in Java [2025 Edition] Factory Pattern Using Java 8 Lambda Expressions -Best Practice Top 10 Best Practices for Java Strings (Updated for Java 21 LTS) Best Practices for Spring Data JPA — The ULTIMATE Guide Spring Boot Best Practices: Use DTOs Instead of Entities in API Responses Boost Spring Boot Performance with FetchType.LAZY in Hibernate Java Virtual Threads: Achieve High-Performance Concurrency in Java Java SequencedCollection for Ordered Data Structures: SequencedList, SequencedSet, and… Java Pattern Matching in switch: Write Cleaner and Safer Code Java ScopedValues: The Best Alternative to ThreadLocal for Context Management Java String.repeat(): The Best Way to Repeat Strings Without Loops 🚀 Master Java OOP: 10 Best Practices Every Developer Should Know Top 10 Spring Cloud Microservices Best Practices [Removed Deprecated Features] Java Best Practices: Use Specific Exceptions Instead of Catching Generic Ones Java Best Practices: Don’t Swallow Exceptions in Your Code Java Best Practices: Log Exceptions Instead of Printing Stack Trace Java Multi-Catch Blocks: Simplify Error Handling and Reduce Code Duplication Modern Java Concurrency: Avoid Thread and synchronized for Better Performance Boost Java Performance: Use Concurrent Collections for Multi-Threading Boost Java Code Readability: Prefer Method References Over Lambda Expressions Spring Boot Performance Tuning: 10 Best Practices for High Performance The Evolution of the Switch Statement from Java 7 to Java 21 ✅ Using Java 8 Stream API for Entity to DTO Conversion (With Java Record) Is Autowired Annotation Deprecated in Spring Boot? Everything You Need to Know Avoid These Java Collections Mistakes and Follow Best Practices 🚀 Top 5 Common Mistakes Using Java Streams and How to Fix Them Beginners Stop Making These 10 Java OOP Mistakes! Best Fixes Inside 🚫 Stop Making These Common Mistakes in Spring Boot Projects 🚀 Common Mistakes in Java Exceptions and How to Avoid Them Common Mistakes in Java Multithreading and How to Avoid Them Avoid These Common Mistakes in Docker and Follow These Amazing Best Practices Maven Best Practices Guide: Avoid These Common Mistakes 🚫 Stop Writing If-Else Like a Beginner: Try This Instead How to Actually Use Modern Java Like a Pro 🚀 Lombok vs Java Records: Which One Will Win the Future? 🚫 Stop Writing Loops Like a Beginner: Try This Instead 🚫 Stop Writing switch Case Statements Like a Beginner: Try This Instead (Java 21 Edition) 🚫 Stop Writing Nested Loops Like a Beginner: Try This Clean Approach 🚫 Stop Writing Repetitive Conditions: Try Pattern Matching Instead (Java 21+) 🚫 Stop Using @Transactional Everywhere: Understand When You Actually Need It 🚫 Stop Writing Fat Controllers: Follow the Controller-Service-Repository Pattern 🚫 Stop Using Field Injection in Spring Boot: Use Constructor Injection 🚫 Stop Writing Long Methods Like a Beginner: Refactor with This Simple Rule 🚫 Stop Copy-Pasting Code: Write Reusable Functions Like a Pro 🚫 Stop Overusing Static Methods: Use Dependency Injection the Right Way 🚫 Stop Writing Boilerplate DTOs: Use Java Records Instead 🚫 Stop Using Inheritance for Everything: Favor Composition Instead 🚫 Stop Writing Unmaintainable Code: Start Thinking in Abstractions 🚫 Stop Writing Utility Classes the Old Way: Use Functional Interfaces Instead

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