Interface vs Abstract Class in Java – How to Choose the Right Tool
Understand the key differences between interface and abstract class in Java with real-world use cases, code examples, best practices, and FAQs
Tutorials under 'Java 21 Features'
Polymorphism in Java – Unlocking Loose Coupling and Scalable Software Design
Learn how polymorphism drives loose coupling and scalable software architecture in Java. Includes real-world use cases, examples, UML, and best practices.
Advanced String Parsing Techniques with Regular Expressions in Java
Master advanced string parsing in Java using regular expressions. Learn powerful regex techniques, edge cases, and best practices for clean code
Java List Interface Explained: Features, Use Cases, and Examples
Understand the Java List interface, its features, real-world use cases, and performance considerations with code examples and best practices
Java Map Interface – Key-Value Pairs Simplified for High-Performance Data Handling
Learn everything about the Java Map interface – syntax, internal working, hashing, and performance tips with real-world examples and Java 8+ features
HashMap vs TreeMap vs LinkedHashMap – Side-by-Side Performance and Use Case Comparison
Understand the key differences between HashMap, TreeMap, and LinkedHashMap. Learn internal working, order, performance, and ideal use cases in Java
Concurrent Collections in Java – Thread-Safe Alternatives
Learn all about Java's concurrent collections, their thread-safe implementations, performance benchmarks, and best practices for multithreaded apps
CopyOnWriteArrayList and CopyOnWriteArraySet in Java – Internal Working, Performance, and Use Cases
Master CopyOnWriteArrayList and CopyOnWriteArraySet in Java with internals, Big-O performance, use cases, Java 8+ features, and best practices
Chaining Functional Interfaces in Java with andThen(), compose(), and More
Master chaining Java functional interfaces using andThen(), compose(), and other techniques. Learn best practices, real-world use cases, and performance tips.
Lambdas and Concurrency in Java: Executing Code in Threads Made Simple
Learn how to use Java lambdas for multithreading and concurrency. Explore Runnable, Callable, Executors, CompletableFuture, virtual threads, and best practices
High-Order Functions and Function Composition in Java: Mastering Functional Code Reuse
Learn how to use high-order functions and function composition in Java. Explore Function, Predicate, and chaining techniques to write cleaner, reusable code.
Designing Reusable Functional Pipelines with Lambdas in Java
Learn how to design reusable and composable functional pipelines in Java using lambdas. Build modular, scalable code for transformations and processing logic.
Top 10 Lambda Use Cases for Everyday Java Development
Discover the top 10 real-world use cases of Java lambda expressions. Learn how lambdas simplify functional programming, streams, concurrency, and more
Functional Interfaces with Spring Framework: Real-World Integration Guide
Learn how to use functional interfaces and Java lambdas with the Spring Framework for cleaner, modular, and testable enterprise-grade applications.
Scoped Values and Lambdas in Java 21: A Modern Guide to Safer Concurrency
Master scoped values and lambdas in Java 21 for safe, efficient concurrency. Learn real-world examples, performance tips, and functional best practices.
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
Virtual Threads and Lambdas in Java 21: A Perfect Match for Modern Concurrency
Discover how Java 21 virtual threads and lambdas combine for lightweight, scalable concurrency. Includes functional patterns and real-world examples