Programming Languages
213 articles in this topic
Executor Framework in Java: Thread Pools, Futures and Runnable Examples
Separate tasks from threads, trace a two-worker pool, and learn how futures, shutdown, cancellation and bounded queues behave in Java.
Updated 22 Sep 20266 min readJava
CSV Files Explained: Parsing Rules, Worked Records and Exam Traps
Learn why commas and newlines are not always boundaries, trace a quote-aware parser, validate text fields with a schema, and calculate processing costs.
Updated 22 Sep 20265 min readPython
C# Tutorial for Beginners: Types, Classes, LINQ and a First Console App
Build a complete C# console app around five candidate records. Learn how types, nullable references, classes, generic lists and LINQ work together, with every output and average checked by hand.
Updated 21 Sep 20266 min readProgramming Languages Survey
C++ stack, queue and priority_queue: Adapter Behaviour with Traced Examples
Trace the same values through std::stack, std::queue and std::priority_queue, then learn comparator tie-breaking, operation costs and safe pop patterns.
Updated 21 Sep 20266 min readC++
Generics in Java: Type Parameters, Bounds, Wildcards and Runnable Examples
Build type-safe Java containers, then trace generic methods, upper bounds, wildcard reads and writes, invariance, erasure, and common failure cases.
Updated 21 Sep 20266 min readJava
Polymorphism and Dunder Methods in Python: Runnable Examples and Exercises
See how one Python operation supports different types, then build a Vector2D class with readable output, addition, magnitude and equality. Includes runnable code, protocol failures and exercises.
Updated 21 Sep 20265 min readPython
C# Learning Roadmap: 24 Weeks from Basics to ASP.NET Core
Follow an ordered 24-week C# plan that turns one console StudyTracker into a tested ASP.NET Core API, with clear phase gates and worked results.
Updated 20 Sep 20265 min readProgramming Languages Survey
C++ set and map: Ordered Containers, Custom Keys and Bounds
See how one comparator controls traversal, uniqueness and bounds in C++ ordered containers. Two student examples make rejected inserts and map updates concrete.
Updated 20 Sep 20266 min readC++
Constructors in Java: Types, Chaining and Runnable Examples
Learn how Java selects and chains constructors with complete programs for object state, overloads and inheritance. Includes common errors and practice exercises.
Updated 19 Sep 20266 min readJava
Inheritance in Python: A Practical Tutorial with Examples
Learn how Python classes inherit state and behaviour through runnable examples. Trace super(), overrides, MRO, common mistakes, and three focused exercises.
Updated 19 Sep 20265 min readPython
Rust vs C++: Compare Safety, Control and Developer Trade-offs
Compare how Rust and modern C++ express ownership, catch lifetime mistakes, measure iterator code and define safe foreign-function boundaries.
Updated 19 Sep 20266 min readProgramming Languages Survey
C++ Iterators and Invalidation: Container Rules and Safe Erase Loops
Learn to read iterator ranges, match algorithms to categories, and mutate standard containers without using stale handles. Includes two fully traced erase examples.
Updated 18 Sep 20266 min readC++