How to Use Iterable, Collection, and Iterator in Java
Master Java's Iterable, Collection, and Iterator interfaces with clear examples, real-world use cases, and best practices for iteration and data handling
Tutorials under 'Functional Programming'
List vs Set vs Map in Java – When and Why to Use Each
Understand the differences between List, Set, and Map in Java. Learn their syntax, use cases, performance, and when to use each with real examples
How to Choose the Right Collection in Java (Cheat Sheet)
A developer's cheat sheet for choosing the right collection in Java. Covers List, Set, Map, performance, syntax, use cases, and Java version tips.
@FunctionalInterface Annotation Explained: A Deep Dive into Java’s Functional Programming Model
Learn what @FunctionalInterface means in Java, how it powers lambda expressions, and why it's essential for modern Java development using functional programming
How Lambda Expressions Improve Java Code: Cleaner Syntax, Better Performance, and Functional Elegance
Discover how lambda expressions enhance Java code with cleaner syntax, functional programming features, and performance improvements in modern applications
Working with Predicates, Functions, Consumers, and Suppliers in Java
Learn how to use Java's core functional interfaces—Predicate, Function, Consumer, and Supplier. Code examples, real-world use cases, and advanced tips included
Using Lambdas with Optional: Cleaner Null Handling in Modern Java
Learn how to use Java lambdas with Optional for cleaner null handling. Explore map, flatMap, filter, and ifPresentOrElse with real-world examples and best practices
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
Logging and Tracing Execution Through Lambdas in Java
Master logging and tracing execution paths through Java lambdas. Learn best practices, pitfalls, and integration strategies with real-world examples
Improving Functional Code with Java 17 Records and Lambdas
Learn how Java 17 records and lambdas improve functional code. Explore cleaner models, DTOs, pipelines, and pattern matching in real-world apps.
Structured Concurrency and Lambdas in Java 21: Write Safer Async Code
Master structured concurrency and lambdas in Java 21. Learn how to write safer, scalable async code using virtual threads and functional interfaces