WhatIsWiki
  • Blog
  • Topics
WhatIsWiki
  • Blog
  • Topics

Get new explainers in your inbox

Short, practical updates. No spam. Unsubscribe anytime.

WhatIsWiki© 2026 WhatIsWiki
  • Blog
  • Topics
  • Authors
  • About
  • Contact
  • Editorial
  • Privacy
  • Sitemap
  • RSS
  1. Home
  2. /Blog
  3. /Topics
  4. /Programming

Topic hub

Programming

Core programming ideas explained like a patient teacher.

Variables, algorithms, data structures, and runtime concepts in plain language.

What you’ll learn

  • Explainers

    “What is…?” articles in Programming.

Learning roadmap

  1. Lead with a one-sentence definition
  2. Add short background and context
  3. Explain why it matters to readers
  4. Link related explainers on the site

Most popular

  • What Is Data Structure? · 14 reads
  • What Is Binary Tree? · 6 reads
  • What Is Loop? · 5 reads

Latest tutorials

  • What Is Framework? — Programming explainer cover
    Shubh Singh·Programming·Jul 29, 2026

    What Is Framework?

    A framework provides a structured approach to building, designing, and implementing complex systems, ensuring consistency, efficiency, and scalability.

    3 min read·Beginner
    • frameworks
    • software-development
  • What Is HashMap? — Programming explainer cover
    Shubh Singh·Programming·Jul 29, 2026

    What Is HashMap?

    HashMap is a fundamental data structure in programming that enables fast and efficient storage and retrieval of data.

    3 min read·Beginner
    • programming
    • java
  • What Is Binary Tree? — Programming explainer cover
    Shubh Singh·Programming·Jul 29, 2026

    What Is Binary Tree?

    Binary trees are fundamental data structures in computer science, enabling efficient data organization and manipulation.

    3 min read·Beginner
    • computer-science
    • binary-tree
  • What Is Data Structure? — Programming explainer cover
    Shubh Singh·Programming·Jul 29, 2026

    What Is Data Structure?

    Data structures are fundamental to computer science, enabling efficient data storage and retrieval.

    3 min read·Beginner
    • programming
    • computer-science
  • A diagram showing the flow of a loop, with initialization, condition checking, and iteration steps.
    Shubh Singh·Programming·Jul 29, 2026

    What Is Loop?

    Loops are fundamental control structures in programming that enable the execution of a block of code repeatedly based on a given condition.

    3 min read·Beginner
    • software-development
    • programming
  • A diagram showing the relationships between objects in an OOP system
    Shubh Singh·Programming·Jul 29, 2026

    What Is OOP?

    Object-Oriented Programming (OOP) is a fundamental concept in software development that focuses on organizing and structuring code around objects and their interactions.

    3 min read·Beginner
    • software-development
    • object-oriented-programming
  • A diagram showing the relationship between objects, classes, and instances.
    Shubh Singh·Programming·Jul 29, 2026

    What Is an Object?

    Objects are fundamental in programming, allowing for the creation of complex, interactive systems.

    3 min read·Beginner
    • programming-languages
    • software-development
  • A diagram illustrating the relationship between classes and objects, with a class as a template and objects as instances of the class.
    Shubh Singh·Programming·Jul 29, 2026

    What Is Class?

    Understanding classes is fundamental to object-oriented programming.

    3 min read·Beginner
    • software-development
    • programming
  • A diagram showing how variables are used in programming
    Shubh Singh·Programming·Jul 28, 2026

    What Is a Variable?

    A variable is a named storage location that holds a value. Variables are used in programming to store, manipulate, and reuse data.

    3 min read·Beginner
    • programming
    • variables

FAQ

What will I learn in Programming?

Plain-language “What is…?” explainers with definitions, context, and FAQs.