Lambdas and Method Handles in Java: Performance, Flexibility, and Power
Explore how Java lambdas work with MethodHandles for dynamic behavior and high-performance functional programming in modern Java (Java 8 to 21).
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Avoiding Memory Leaks with Lambdas and Closures in Java
Discover how to prevent memory leaks when using lambdas and closures in Java. Learn the best practices, pitfalls, and JVM behavior to write safe functional code.
Functional Programming in Java: Principles and Motivation
Learn the principles of functional programming in Java, why it matters, and how to write cleaner, safer, and more scalable code using lambdas and streams
Using Lambdas to Implement the Strategy Pattern in Java
Simplify the Strategy Pattern in Java using lambdas and functional interfaces. Learn how to write cleaner, flexible, and more readable strategy code.
Functional Approach to Builder Pattern Using Lambdas in Java
Simplify the Builder Pattern in Java using lambdas. Learn how to build flexible, readable, and functional-style objects with lambda-based builders
Functional Command Pattern with Lambdas in Java
Learn how to implement the Command Pattern in Java using lambdas. Write clean, decoupled, and maintainable functional code for tasks and operations
Implementing Observer Pattern Using Functional Interfaces in Java
Learn how to implement the Observer Pattern using functional interfaces in Java. Build clean, decoupled, and reactive systems with lambda-based observers
Replacing Switch Statements with Functional Maps in Java
Learn how to replace traditional switch statements in Java using functional maps with lambdas for cleaner, more maintainable, and scalable code
Mocking Functional Interfaces with Mockito in Java
Learn how to mock Java functional interfaces using Mockito. Improve unit testing of lambda expressions, Suppliers, Consumers, and more.
Unit Testing Lambda Expressions in Java – Best Practices and Techniques
Learn how to effectively write unit tests for lambda expressions in Java using JUnit, Mockito, and functional interfaces. Best practices and real-world examples included