Noel Kamphoa, Author at Noel Kamphoa

Collections Framework in Java: What You Need to Know

Learn the Java Collections Framework: key interfaces, implementations, and examples to manage and manipulate groups of objects efficiently.

Learn how the Factory Method Pattern in Java enables flexible object creation, promotes clean code, and supports the Open/Closed Principle.

Master method overriding and polymorphism in Java through clear examples like Animal and Payment systems. Learn to write flexible, clean code

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.

Compare abstract classes vs interfaces in Java to understand their differences, use cases, and when to use each with examples

Discover how abstract classes in Java enable shared logic and enforce design contracts with real-world examples and best practices

Explore interfaces in Java with examples. Learn how they enable abstraction, multiple inheritance, and clean, testable design.

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.