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New to programming
Python is the most beginner-friendly language — readable syntax, instant results, used everywhere.
1Introduction to Python2Python Installation and Setup3Python Data Types
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Want backend / Java
Java is the industry standard for backend and enterprise development.
1Introduction to Java2JDK vs JRE vs JVM Explained3Java Program Structure
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Preparing for interviews
Master data structures and algorithms — the language of every technical interview.
1Array Data Structure2Two Pointer Technique3Sliding Window Technique
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Building web apps
JavaScript runs the entire web. Start here for frontend, React, or Node.js backend.
1Introduction to JavaScript2Variables in JavaScript — var let const3Data Types in JavaScript
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Working with data
SQL, NoSQL, database design — essential for every backend developer.
1Introduction to SQL2SQL CREATE TABLE and Data Types3SQL INSERT UPDATE DELETE
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Building at scale
Design systems that handle millions of users — caching, queues, microservices.
1System Design Basics2Scalability Concepts3CAP Theorem
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Getting into AI / ML
Machine learning, neural networks, scikit-learn, TensorFlow and PyTorch.
1Introduction to Machine Learning2Supervised vs Unsupervised Learning3ML Workflow — Data to Deployment
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Deploying and scaling
Docker, Kubernetes, CI/CD, AWS — everything needed for modern DevOps.
1Linux Command Line Basics2Linux File System3Linux File Permissions
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Systems / competitive programming
Pointers, memory management, STL — the foundation of systems programming.
1Introduction to C Programming2Variables and Data Types in C3Operators in C
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Microsoft / .NET stack
C#, ASP.NET, LINQ and enterprise .NET development.
1Introduction to C#2C# Data Types and Variables3Control Flow in C#
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Cracking the interview
Aptitude, coding patterns, HR questions — end-to-end interview preparation.
1Top 10 Array Interview Problems2Top 10 String Interview Problems3Top 10 Tree Interview Problems
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Filling CS knowledge gaps
OS, networks, DBMS, compiler design — the CS core every developer needs.
1Introduction to Operating Systems2Process and Thread Management3Process Scheduling Algorithms
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