Java Archives

Verify Object Type Before Casting

Learn to verify object type before casting in Java to prevent ClassCastException and ensure safe, stable, and readable generic code.

Master Java Generics with this guide: learn syntax, use cases, and limitations through clear examples and practical tips for safe coding.

Learn how to apply the Single Responsibility Principle in Java with real-world examples. Write cleaner, modular, and testable code.

Learn the Open/Closed Principle in Java. Build code that’s easy to extend and maintain without modifying existing functionality.

Understand the Liskov Substitution Principle in Java with clear examples. Learn how to build reliable and extensible class hierarchies.

Apply the Interface Segregation Principle in Java to build cleaner, modular code. Avoid bloated interfaces and improve testability.

Master the Dependency Inversion Principle in Java. Learn to write flexible, testable code by depending on abstractions, not implementations.

Master the SOLID principles in Java with real-world examples. Learn how to write clean, maintainable, and scalable object-oriented code

Avoid bugs in your Java code by learning the difference between == and .equals() for string comparison, and how to do it right.

Explore Java 8 features like lambdas, streams, default methods, java.time, and new collection utilities with examples and JEP links.