Resources  
  • Google Unveils EmbeddingGemma: A Best-in-Class Open Model for On-Device EmbeddingsSep 05, 2025. Google introduces EmbeddingGemma, a groundbreaking open-source embedding model with only 300M parameters. This compact model excels in retrieval-augmented generation (RAG) and boasts top performance on the MTEB leaderboard for multilingual text embeddings under 500M. Ideal for on-device AI, it integrates seamlessly with Ollama, llama.cpp, and LM Studio, empowering developers to build efficient, privacy-focused AI applications.
  • What is an IPv4 Address and Its Different Classes?Aug 28, 2025. Learn what an IPv4 address is, why it is important, and understand its different classes (A to E) with examples. This article explains networking basics in very simple words.
  • What are Metaclasses in Python?Aug 25, 2025. Unlock the power of Python metaclasses! Learn how they act as blueprints for classes, enabling dynamic creation, validation, and custom class behavior. Dive in now!
  • What is a Data Class and How Does It Work?Aug 25, 2025. Simplify data storage in Python with data classes! Learn how they automatically generate methods like __init__, __repr__, and __eq__, reducing boilerplate code and improving readability. Discover immutability and default values!
  • What are Metaclasses in Python?Aug 22, 2025. Metaclasses in Python are an advanced feature that allows developers to control how classes are created and behave. Just like classes define how objects behave, metaclasses define how classes themselves behave. This article explains metaclasses in detail with clear examples so beginners can understand.
  • What are the four pillars of OOP in Python?Aug 21, 2025. Object-Oriented Programming (OOP) in Python is built on four main principles: Encapsulation, Abstraction, Inheritance, and Polymorphism. These concepts help developers write cleaner, reusable, and scalable code. In this article, we’ll break down each pillar in simple terms with Python examples.
  • What is the difference between class method, static method, and instance methods?Aug 21, 2025. In Python, methods are functions defined inside a class. They can be categorized into three types: instance methods, class methods, and static methods. Each serves a different purpose and is used in different situations. This article explains the differences in simple words with detailed explanations and examples.
  • Understanding the __init__ Method in PythonAug 21, 2025. The __init__ method in Python is a special method used for initializing objects when they are created from a class. It is often referred to as the constructor because it sets up the initial state of an object. In this article, we will explore what the __init__ method is, why it is important, and how to use it with practical examples.
  • How does multiple inheritance work, and what is MRO (Method Resolution Order)?Aug 21, 2025. Multiple inheritance is an important concept in Python that allows a class to inherit from more than one parent class. But this can lead to confusion when the same method is defined in multiple parent classes. Python solves this using MRO (Method Resolution Order), which decides the order in which methods are searched. In this article, we will break down how multiple inheritance works, what MRO is, and why it is important.
  • What are abstract classes, and how do you use them in Python?Aug 21, 2025. Abstract classes are a key concept in object-oriented programming (OOP) that provide a way to define a blueprint for other classes. They help enforce rules, ensuring that child classes implement specific methods. This article explains what abstract classes are, how they work in Python, and how to use them with examples.
  • What are child processes, worker threads, and clustering in Node.js?Aug 18, 2025. This article explains what child processes, worker threads, and clustering are in Node.js. It uses simple words and examples to help you understand how they work and when to use them.
  • Synchronous vs Asynchronous Programming with CPU-bound & I/O-bound ExamplesAug 13, 2025. Learn the differences between synchronous and asynchronous programming in C#, explore CPU-bound vs I/O-bound tasks, and master async/await with real-life analogies, examples, performance tips, and a clear comparison table.
  • Why is Node.js single-threaded, and how does it handle concurrency?Aug 13, 2025. This article explains in simple words why Node.js is designed to be single-threaded, the role of its event-driven architecture, and how it achieves concurrency using the event loop, asynchronous operations, and non-blocking I/O. Includes clear explanations and code examples in JavaScript.
  • Why GSCP Can Make a GPT-5-Class Model Smarter — Step by Step Aug 12, 2025. OpenAI’s GPT-5, paired with Gödel’s Scaffolded Cognitive Prompting, delivers adaptive, transparent, and verifiable reasoning—transforming raw AI power into governed enterprise cognition for accuracy, auditability, compliance, and continuous improvement in high-stakes tasks.
  • What are the differences between functional and class componentsAug 12, 2025. Functional and class components are core to React. Learn their differences, syntax, state handling, lifecycle methods, and why modern development often prefers functional components with Hooks for cleaner code.
  • How the Event Loop Works in JavaScript?Aug 12, 2025. An in-depth guide to JavaScript’s event loop—how a single-threaded language manages concurrency using the call stack, callback queue, and event loop, both in browsers and Node.js. Includes explanations, diagrams, and related C# Corner articles for further reading.
  • CSS Cheatsheet – A Complete Guide for BeginnersAug 12, 2025. CSS styles web pages by controlling colors, fonts, layouts, spacing, and more. This cheatsheet covers essential concepts like selectors, box model, flexbox, grid, responsiveness, transitions, and advanced features for both beginners and pros.
  • What are React Components, and How Do Functional and Class Components DifferAug 11, 2025. React components are the building blocks of UI in React. They can be functional or class-based, use props and state for data, and support hooks like useState and useEffect for dynamic, reusable, and interactive interfaces.
  • What are Java Records, and how do they improve data modeling in Java?Aug 08, 2025. This article explores Java Records, a feature introduced in Java 14 and finalized in Java 16—and how they simplify and enhance data modeling. Learn what Records are, how they differ from traditional Java classes, their benefits in immutability, concise syntax, and real-world use cases, with clear examples.
  • Difference Between Task, async/await, and Threading in .NETAug 06, 2025. This article explains the core differences between Task, async/await, and traditional Threading in .NET. Learn how they work, when to use each, and how they impact performance, scalability, and readability in your C# applications, with simple explanations and practical code examples.
  • Difference between interface and abstract class?Aug 07, 2025. Learn the fundamental differences between interfaces and abstract classes in C#. This article breaks down their key characteristics, use cases, and performance implications with code examples. Ideal for developers and interview preparation.
  • Difference between Class and Structure in C#Aug 06, 2025. An in-depth look at the differences between classes and structs in C#, explaining their memory behavior, inheritance abilities, performance implications, when to use each, and real-world code examples to highlight best practices.
  • What is object-oriented programming in C#?Aug 05, 2025. A hands-on guide to understanding object-oriented programming (OOP) in C#, complete with real-world examples. Learn the four pillars of OOP, Encapsulation, Inheritance, Polymorphism, and Abstraction, and how to apply them in modern C# applications.
  • Understanding Sealed Classes in C# with ExampleJul 30, 2025. In C#, a sealed class prevents inheritance, ensuring its behavior can't be altered through subclassing. It enhances security, enforces design rules, and can improve performance in certain scenarios.
  • Understanding the Difference Between Struct and Class in SwiftJul 29, 2025. Learn the key differences between structs and classes in Swift. Understand memory behavior, identity, mutability, and when to use each with real examples, protocol usage, and best practices for clean code.
  • What Is Open‑World Machine Learning?Jul 24, 2025. Open-World Machine Learning (OWML) allows AI models to handle real-world situations where new, unseen classes may appear after deployment. Unlike traditional models, OWML can detect unknown data, group it into new categories, and learn from it without retraining from scratch.
  • What is Node.js ArchitectureJul 09, 2025. Node.js is a fast and lightweight runtime that executes JavaScript on the server side. Its single-threaded, event-driven, non-blocking architecture makes it ideal for real-time, scalable, and efficient web applications.
  • 🍁Mastering SOLID Principles in Real-World .NET ProjectsJul 07, 2025. Learn SOLID principles in C# with real-world .NET examples. Master SRP, OCP, LSP, ISP, and DIP to write clean, testable, and scalable code using interfaces, patterns, and best practices for enterprise apps.
  • Difference Between Abstract Class and Normal Class in C#Jul 04, 2025. The difference between Abstract Class and a Normal Class in C#, including definitions, concepts, use cases, and examples.
  • Common Language Runtime (CLR) in .NETJul 02, 2025. The Common Language Runtime (CLR) is the core of .NET, managing code execution, memory, security, and cross-platform compatibility. It compiles IL to native code, enabling safe, efficient app performance.
  • Main Features of Node.js – Explained SimplyJun 30, 2025. Node.js is a fast, open-source runtime for server-side JavaScript. Its single-threaded, non-blocking, event-driven architecture makes it ideal for building scalable, high-performance, real-time applications across platforms.
  • .NET Base Class Library(BCL)Jun 28, 2025. The most commonly used .NET Base Class Library (BCL) namespaces: System and System.IO
  • Types of Classes in C# with Examples | Concrete, Static, Abstract, Sealed, and MoreJun 12, 2025. Learn all the types of classes in C# with clear examples and use cases. Understand when to use abstract, static, sealed, generic, and partial classes in .NET Framework.
  • Django Web Framework Model Class with ExampleMay 29, 2025. Learn how Django's Model class works with simple examples. Understand how to define data structures, interact with databases, and build dynamic web apps using Django ORM in Python.
  • ScopedValueChanger<T> - A very helpful Generic Helper Class to Temporary Change ValuesApr 25, 2025. This article explores the ScopedValueChanger&lt;T&gt; class, a utility designed to manage temporary value modifications with automatic restoration. Implementing the IDisposable interface ensures that changes made within a scoped context are reversed, maintaining application state integrity.
  • Thread-Safe Counters and Flags Using Interlocked in .NETApr 23, 2025. Learn how .NET&#39;s Interlocked class enables lock-free, thread-safe operations for counters, flags, and atomic updates—perfect for lightweight concurrency control in multithreaded applications without risking race conditions.
  • Singleton Pattern in C# 14: A Deep Dive with a Real-World ExampleApr 21, 2025. In software architecture, there are scenarios where only a single instance of a class should exist throughout the lifetime of an application.
  • C# Singleton Pattern: One Instance to Rule Them AllApr 16, 2025. The Singleton Design Pattern in C# ensures only one instance of a class exists and provides a global access point. It&#39;s ideal for managing shared resources like logging, configuration, or database connections.
  • Learn Class Components - ReactApr 15, 2025. this article is basic about class component and its functionality based
  • C# 14: Exploring New Language Features for Modern .NET DevelopmentApr 02, 2025. In this article, I explore the most important features introduced in C# 14.0, including primary constructors in classes, collection expressions, enhanced pattern matching, and required members. I walk through how each of these additions simplifies code, improves performance, and promotes safer, more expressive development.
  • Evolution of Web Scraping: Insights from John Godel on the Enhanced HtmlFetcher ClassMar 24, 2025. In the ever-evolving landscape of web development, efficiently retrieving and parsing web data has become crucial. Recently, I had the opportunity to delve into a sophisticated yet efficient C# class that achieves this goal: the HtmlFetcher class.
  • A Simpler Way to Initialize ObjectsMar 18, 2025. With the release of C# 12, Primary Constructors were introduced to simplify class and struct initialization. This feature allows parameters to be declared directly in the class or struct definition, eliminating the need for boilerplate code and improving readability.
  • Understanding Decorators in PythonMar 12, 2025. Decorators in Python are powerful tools that modify the behavior of functions or classes without changing their code. They enable code reusability, logging, authentication, and more.
  • React Tutorial For Beginners - Working on Class Components in ReactMar 05, 2025. Learn how to work with class components in React in this beginner-friendly tutorial. Understand the React component lifecycle, manage state and props, and explore best practices for building interactive UIs.
  • Detailed Explanation of Use of Private Class vs Private MethodFeb 19, 2025. A private class and a private method serve different purposes in object-oriented programming. A private class is restricted to its containing class, ensuring encapsulation, while a private method is used within a class to perform internal operations.
  • Building a Number Guessing Game in JavaFeb 10, 2025. Learn how to create a number guessing game in Java. This beginner-friendly project covers random number generation, user input handling, loops, and conditionals, with enhancements like difficulty levels and input validation.
  • Class Fixture xUnit in .NET Core Test ProjectFeb 06, 2025. This article explains how to implement Class Fixtures in an xUnit test project, manage shared test contexts, and use dependency injection for better test organization and performance.
  • Stopwatch for Performance Monitoring in .NET Core ApplicationsJan 27, 2025. Stopwatch helps to identify the performance of your applications. Explore the use of the Stopwatch class in .NET Core for performance monitoring in distributed systems. Learn its advantages, benchmarks, best practices, and advanced alternatives for high-throughput applications.
  • The Java.NET PackageJan 25, 2025. The Java.NET package provides classes for implementing networking functionality in Java. It supports TCP, UDP, and HTTP protocols, enabling tasks like creating sockets, managing URLs, sending/receiving data, and handling network connections.
  • How to Set Up Lifecycle Rules for AWS S3 BucketJan 14, 2025. This article covers transitioning objects to cheaper storage, setting expiration actions to delete old files, and managing versioned objects, helping you save costs and keep your S3 bucket organized efficiently.
  • Python Import Modules with ExampleJan 08, 2025. Learn Python&#39;s import module concepts, including importing entire modules, specific functions, and aliasing. This article demonstrates creating, reading, and writing employee data to a JSON file with practical examples.
  • Checking Leap Year in Java with CodeJan 03, 2025. This article explains how to determine leap years in Java using conditional statements, ternary operators, functions, and Java&#39;s built-in `Year` class, with code examples and clear explanations for each method.
  • Enhancing Performance and Responsiveness Using Threading in C#Dec 23, 2024. Discover how to use threading in C# to make your applications faster and more responsive by running multiple tasks at the same time. Learn key concepts, practical examples, and best practices.
  • Understanding Parallel.For Method in c#Dec 23, 2024. Parallel.For in C# allows executing loops in parallel, improving performance by utilizing multiple processors or cores. It enhances scalability but introduces overhead and requires thread safety for shared resources.
  • Implementing Background Tasks in PythonDec 16, 2024. This article covers key concepts like concurrency, task queues, and process management, helping you execute time-consuming tasks efficiently without blocking your main program flow.
  • Enhancing Performance and Responsiveness Using Threading in C# Dec 13, 2024. Discover how to use threading in C# to make your applications faster and more responsive by running multiple tasks at the same time.
  • Take User Input in Java with BufferedReaderDec 12, 2024. Learn how to take user input in Java using BufferedReader and Console classes. This guide includes detailed explanations, code examples, error handling, and practical applications for seamless input handling.
  • Take Input in Java using Scanner Class with CodeDec 06, 2024. Learn how to capture user input in Java using the Scanner class. This guide covers importing, creating Scanner objects, reading inputs (strings, integers, doubles), and handling exceptions with examples.
  • When to Use Abstract Class vs Interface and Why?Nov 29, 2024. This article explains when to use abstract classes vs. interfaces in C# through two scenarios. The first scenario demonstrates how abstract classes help avoid code duplication, while the second shows how interfaces enable multiple inheritance.
  • .NET 9 Features with Code ExampleNov 19, 2024. Learn how abstraction simplifies complex systems by unifying interfaces, abstract classes, and dependency injection. Build modular, maintainable, and testable applications with this comprehensive guide.
  • CRUD Operation in Java with code exampleNov 15, 2024. This article demonstrates implementing CRUD operations in Java with a console-based Student Management System, allowing users to add, view, update, and delete student records using a simple menu-driven interface.
  • What's New in ASP.NET Core 9?Nov 15, 2024. C# 13 enhances developer productivity with features like flexible params collections, scoped locks, and partial properties, allowing for streamlined coding, improved performance, and robust thread safety.
  • Create a Model with Database Table in .NET 8 using EF CoreOct 28, 2024. This article guides you through creating a data-driven application using .NET 8 and Entity Framework Core. You&#39;ll learn to define a model, configure a DbContext, set up a SQL Server connection string, and use migrations to manage your database schema.
  • Example of Aspect Oriented Paradigm with DispatchProxy Class Oct 23, 2024. This article explores how to implement cross-cutting concerns in .NET using the DispatchProxy class. It demonstrates dynamic proxy creation for logging and other concerns, highlighting the benefits of AOP (Aspect-Oriented Programming) to enhance modularity, separation of concerns, and maintainability.
  • Array to Text File: Detailed Overview of ArrayIOExtensionsLib ClassOct 03, 2024. This article provides a comprehensive overview of the ArrayIOExtensionsLib class, detailing its functionality for converting arrays to text files in C#. We explore its key features, methods, and practical applications, including data serialization and file management techniques.
  • Difference Between Static Modifier and Final ModifierSep 26, 2024. Sometimes, a programmer might need to define a class member that will be used independently of any object of that class.
  • Explaning Wrapper Classes in JavaSep 23, 2024. This is essential for utilizing Java’s object-oriented features, such as collections. With autoboxing and unboxing, Java simplifies conversions between primitives and their corresponding wrapper classes, enhancing type safety and performance in data manipulation.
  • An overview of the Task Parallel Library (TPL) in C#Sep 17, 2024. The Task Parallel Library (TPL) is a collection of public types and APIs within the .NET framework that facilitates the integration of parallelism and concurrency into applications.
  • Derived Class Constructors in JavaSep 17, 2024. Constructors are used to initialize an object of a particular type, as well as to allocate memory, and have the same name as the class.
  • Socket Class and ServerSocket Class in Java NetworkingSep 16, 2024. TCP/IP sockets are the most reliable, bi-directional, stream protocols. It is possible to send arbitrary amounts of data using TCP/IP. Sockets are used for data communication using this protocol.
  • Exaplain Copy Constructor in C#Sep 10, 2024. A copy constructor in C# allows creating a new object by copying an existing object. It duplicates the values of properties and fields from the original object. This method is useful for creating independent object copies, enhancing code readability, and managing object duplication efficiently.
  • Entity Framework Core Code-First Approach with Seed DataSep 09, 2024. It will be beneficial to beginners who are struggling with Entity Framework Core and Creating Code-First Approach. The EF-Core Code-First approach involves creating domain classes first and then generating the database using migrations.
  • Virtual Threads in Java JDKSep 08, 2024. Java Virtual Threads, introduced in Project Loom, offer a lightweight alternative to traditional platform threads by allowing the JVM to manage threads instead of the OS. This improves scalability and resource efficiency, enabling applications to handle thousands of concurrent tasks with minimal overhead.
  • Types of components selectors in Angular with examplesSep 06, 2024. Angular offers various component selectors: Type Selector (e.g., app-root), Attribute Selector (e.g., [app-attribute-selector]), Attribute Selector with Value (e.g., [app-attribute-selector-with-value=&quot;test&quot;]), Multiple Attribute Selector (e.g., [app-multiple-attribute-selector=&quot;test&quot;][is-active]), and CSS Class Selector (e.g., .app-css-class-selector).
  • Explain Primary Constructor in C# 12Sep 04, 2024. The primary constructor in C# 12 introduces a new way to define and initialize properties directly within the class declaration, simplifying object creation and reducing boilerplate code.
  • Introduction to Python ClassesAug 23, 2024. Learn how to define classes, create objects, and understand key OOP concepts like inheritance and encapsulation. Perfect for new programmers looking to master Python&#39;s class-based structure.
  • Difference between lock(this) and lock(privateObj) in C#Aug 22, 2024. In multi-threaded C# programming, the lock statement ensures that critical code sections are accessed by only one thread at a time. While lock(this) locks on the current instance, it can expose your object to external locking, leading to potential deadlocks.
  • Object-Oriented Programming (OOP) in .NETAug 22, 2024. This article explores Object-Oriented Programming (OOP) within the .NET framework, focusing on core concepts such as classes, objects, inheritance, polymorphism, encapsulation, and abstraction.
  • Understanding Adapter Design PatternAug 16, 2024. The Adapter Design Pattern is a structural pattern that allows incompatible interfaces to work together. It acts as a bridge between two incompatible interfaces by converting the interface of a class into another interface clients expect.
  • Understanding the Liskov Substitution Principle (LSP) with C#Aug 14, 2024. The Liskov Substitution Principle (LSP) ensures that objects of a base class can be replaced with objects of a derived class without altering program correctness. This principle, part of SOLID design, promotes reliable and maintainable code by maintaining consistent behavior across class hierarchies.
  • async, await, ConfigureAwait(true/false) Asynchronous Programming in C#Aug 12, 2024. Explore asynchronous programming in C# with a focus on async and await keywords. Learn how to use ConfigureAwait(true/false) to manage context switching and avoid deadlocks.
  • Explain Multiprocessing in PythonAug 09, 2024. Explore Python&#39;s multiprocessing module to achieve parallelism and optimize CPU-bound tasks. Learn how to create and manage processes, utilize process pools, and improve performance through concurrent programming.
  • Multithreading in C# Task Creation Using LoopAug 06, 2024. This article introduces multithreading in C# using the Task class from the Task Parallel Library (TPL). It explains creating and executing tasks serially within a loop, ensuring tasks are completed sequentially. An example demonstrates task creation and simulating work with delays.
  • Understanding Multithreading with the Thread Class in C#Aug 06, 2024. Learn how to implement multithreading in C# using the Thread class. This guide covers creating and managing threads, passing parameters, handling exceptions, and using Task for simplified parallelism. Improve your application&#39;s performance by understanding these core concepts and techniques.
  • Use HttpClientFactory Over HttpClient in .NETAug 05, 2024. Discover the advantages of using HttpClientFactory over directly instantiating HttpClient in .NET Core. HttpClientFactory improves efficiency and resource management by providing a centralized way to manage HttpClient instances.
  • Intra-process vs Inter-process Synchronization in C#Jul 31, 2024. In C#, intra-process synchronization involves managing concurrency within a single process using tools like lock, Mutex, and Semaphore. Inter-process synchronization deals with coordination between separate processes using similar mechanisms.
  • Implementing Thread-Safe Dynamic ArraysJul 31, 2024. Implementing thread-safe, dynamically resizable arrays in C ensures data integrity in multi-threaded applications. Utilize mutex locks for synchronization, condition variables for state management, and resize arrays dynamically to handle concurrent access efficiently.
  • Data Structures and Algorithms (DSA) using C# .NET Core — Binary Trees and Binary Tree Types IIJul 29, 2024. This article explores various types of binary trees, including Full, Perfect, Complete, Balanced, Skewed, and Degenerate Binary Trees. It explains their properties and distinctions, such as how Full and Perfect trees differ from Complete trees.
  • The AbstractList Class and ArrayList Class in Java CollectionJul 29, 2024. The AbstractList class in the Java Collections Framework provides a skeletal implementation of the List interface, enabling developers to create custom list implementations with ease. It offers default implementations for some list operations, allowing focus on specific aspects of the custom list.
  • Java 21: The Latest Features and ImprovementsJul 26, 2024. Java 21 introduces significant enhancements including Pattern Matching for Switch, Record Patterns, and String Templates. It also features Sequenced Collections, Virtual Threads, and Scoped Values, streamlining concurrent programming and improving code efficiency.
  • Singleton Design Pattern: Detailed Explanation and Practical ExamplesJul 24, 2024. The Singleton Design Pattern ensures a class has only one instance and provides global access to it. Implementations include Basic Singleton, Thread-Safe Singleton with synchronization, Double-Checked Locking, and Bill Pugh Singleton using a static inner class.
  • Create a Comment Thread Like Yammer/Viva Engage in PowerAppsJul 24, 2024. This guide covers integration with Microsoft 365 tools, setting up social collaboration features, and developing custom business applications to streamline enterprise communication.
  • Can a Private Member be Inherited by Derived Class?Jul 23, 2024. This article is discussing if a private member can be inherited by derived class.
  • Can a Static Member be Inherited by Derived Class?Jul 23, 2024. This article discusses if a static Member be Inherited by Derived Class?
  • Understanding Constructors in .NET CoreJul 23, 2024. &quot;Explore the fundamentals of constructors in .NET Core, focusing on their role in object initialization and class setup. Learn about constructor overloading, chaining, and best practices in C#.
  • Enhancing Performance and Safety with System.Threading.Lock in .NET 9 and C# 13Jul 22, 2024. Explore the new System.Threading.Lock in .NET 9 and C# 13 for enhanced multithreading performance and safety. This article covers its benefits, compiler warnings for misuse, and best practices for locking in older versions.
  • Detailed Explanation of Builder Design Pattern in C#Jul 22, 2024. The Builder design pattern is a creational pattern used to construct complex objects step by step. It separates the object&#39;s construction from its representation, allowing for varied configurations and ensuring immutability.
  • Understanding Sealed Classes in C#Jul 22, 2024. Sealed classes in C# are a vital concept in object-oriented programming, preventing other classes from inheriting them. This ensures a secure and stable class hierarchy by stopping further extension.
  • Task Scheduling with System.Threading.Timer in .NETJul 21, 2024. Efficient task scheduling is essential for many applications, whether you&#39;re building background services, automated tasks, or periodic data processing. In .NET, the System.Threading.Timer class provides a powerful and straightforward way to schedule tasks to run at specific intervals.
  • HashSet Class and TreeSet Class in Java CollectionsJul 19, 2024. Explore the HashSet and TreeSet classes in Java Collections Framework. Learn how HashSet uses hashing for fast access and TreeSet maintains sorted order through a Red-Black tree.