Using Guava, Apache Commons, and Other Libraries for Enhanced Collections
Explore how Guava, Apache Commons, and third-party libraries improve Java Collections with features like multi-maps, bidirectional maps, and more.
Tutorials under 'Java 21'
Immutable Collections in Java 9+ – List.of() vs Collections.unmodifiableList()
Learn how Java 9's List.of() compares with Collections.unmodifiableList(). Deep dive into syntax, performance, real-world use, and Java version changes.
Collections Interview Questions and Answers – From Basics to Deep Internals
Ace your Java interviews with this exhaustive guide to Java Collections – covering core concepts, internals, pitfalls, best practices, and real-world scenarios.
Migrating Legacy Code to Modern Java Collections
Learn how to refactor old Java code using outdated collections into modern, efficient, and safer collections with Java 8–21 features and best practices
Common Mistakes in Java Collections (and How to Avoid Them)
Avoid pitfalls in Java Collections! Discover common mistakes in Lists, Sets, Maps, and more—learn fixes, performance tips, and real-world examples
Java Collections in Real-World Projects – Performance and Maintainability
Explore how to use Java Collections effectively in real-world applications with a focus on performance tuning, maintainability, and practical use cases
Collections for Data Structures: Stack, Queue, Graph, Tree in Java
Master Stack, Queue, Graph, and Tree in Java using Collections Framework. Learn performance tips, use cases, and implementation patterns for real-world projects
Java 21 Collections API Updates and Enhancements – A Complete Guide
Explore all the latest updates to the Java Collections API in Java 21. Learn about internal changes, best practices, version differences, and real-world use cases
Executor Framework in Java: Executors, ThreadPools, and More
Master the Executor Framework in Java for scalable multithreaded programming. Learn Executors, ThreadPools, and real-world use cases
Thread Interruption in Java: Best Practices for Writing Responsive Multithreaded Code
Learn how Java thread interruption works, how to implement it effectively, and best practices for writing responsive, bug-free multithreaded code
Semaphore, CountDownLatch, and CyclicBarrier Explained: Java Concurrency Coordination Essentials
Master Semaphore, CountDownLatch, and CyclicBarrier in Java. Learn how to synchronize threads effectively for better control and performance
Building Your Own Thread Pool Executor in Java: A Deep Dive into Custom Concurrency Management
Learn how to create a custom ThreadPoolExecutor in Java. Explore internal workings, lifecycle management, task queues, and concurrency best practices
Phaser in Java: Advanced Thread Coordination for Modern Multithreading
Master Phaser in Java with practical examples and best practices for flexible and reusable thread synchronization in concurrent applications
Producer-Consumer Implementation Using BlockingQueue in Java: The Cleanest Way to Coordinate Threads
Learn how to implement the producer-consumer pattern in Java using BlockingQueue for clean, thread-safe coordination between threads. With code examples and best practices
Multithreaded File Processing in Java: Boosting Performance with Concurrent I/O
Learn how to process files concurrently in Java using ExecutorService, I/O best practices, and thread-safe coordination to optimize performance and throughput
Thread Safety vs Concurrency in Java: Know the Difference and Write Better Multithreaded Code
Understand the difference between thread safety and concurrency in Java. Learn how they relate, why they matter, and how to build performant, correct code.
Mastering Java Lambda Expressions: A Comprehensive Beginner-to-Advanced Guide
Learn Java Lambda Expressions with real-world examples, syntax, functional interfaces, performance tips, and best practices from Java 8 to Java 21.
@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
Syntax and Rules of Writing Lambdas in Java: A Complete Guide for Developers
Learn how to write and use Java lambda expressions correctly with this complete syntax guide covering rules, examples, and real-world applications
Common Built-in Functional Interfaces in java.util.function: A Practical Guide with Examples
Learn Java’s built-in functional interfaces like Function, Predicate, Consumer, Supplier, and more with real examples, syntax rules, and advanced usage