Noel Kamphoa, Author at Noel Kamphoa

Override Methods and Use Polymorphism in Java

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.

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.