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Complete Guide

Complete Interview Tutorial

Cracking a technical interview requires more than just knowing algorithms. This guide covers all 74 interview prep topics on TheCodeForge — coding patterns, system design, HR questions and aptitude.

Learning Roadmap
Beginner → Strengthen problem-solving fundamentals and time complexity
Intermediate → Practise common patterns — two pointers, BFS/DFS, dynamic programming
Advanced → Tackle system design rounds, behavioural questions and mock interviews
74
Topics
18
Beginner
38
Intermediate
18
Advanced
Jump to section
Coding Patterns (16)Java Interview (6)Python Interview (4)JavaScript Interview (5)System Design Interview (7)Database Interview (4)HR & Behavioural (8)Resume & Job Search (6)Aptitude (13)DevOps Interview (5)

Coding Patterns

Top 10 Array Interview Problems Intermediate Top 10 String Interview Problems Intermediate Top 10 Tree Interview Problems Advanced Top 10 DP Interview Problems Advanced Top 10 Graph Interview Problems Advanced Top 10 Linked List Problems Intermediate Sliding Window Interview Problems Intermediate Two Pointer Interview Problems Intermediate Bit Manipulation Interview Problems Advanced Stack and Queue Interview Problems Intermediate Prefix Sum Interview Problems Intermediate Binary Search Interview Problems Intermediate Heap Interview Problems Advanced Divide and Conquer Problems Advanced Recursion Interview Problems Intermediate Topological Sort Interview Problems Advanced

Java Interview

Top 50 Java Interview Questions Intermediate Java OOP Interview Questions Intermediate Java Collections Interview Questions Intermediate Java Multithreading Interview Q&A Advanced Java 8 Interview Questions Intermediate Spring Boot Interview Questions Intermediate

Python Interview

Top 50 Python Interview Questions Intermediate Python OOP Interview Questions Intermediate Python Data Structures Interview Q Intermediate Django Interview Questions Intermediate

JavaScript Interview

Top 50 JavaScript Interview Q Intermediate JavaScript Closures Interview Q Advanced React Interview Questions Intermediate Node.js Interview Questions Intermediate TypeScript Interview Questions Intermediate

System Design Interview

System Design Interview Guide Advanced How to Answer System Design Q Advanced Design TinyURL — Interview Advanced Design Instagram — Interview Advanced Design a Caching System Advanced Design a Job Scheduler Advanced Design a Leaderboard System Advanced

Database Interview

Top SQL Interview Questions Intermediate DBMS Interview Questions Intermediate NoSQL Interview Questions Intermediate Redis Interview Questions Intermediate

HR & Behavioural

Common HR Interview Questions Beginner Tell Me About Yourself Answer Beginner Strengths and Weaknesses Answer Beginner Why Do You Want This Job Beginner STAR Method for Behavioural Questions Beginner Where Do You See Yourself in 5 Years Beginner How Do You Handle Pressure Beginner How to Explain a Gap in Employment Beginner

Aptitude

Number Series Problems Beginner Percentage Problems Beginner Profit and Loss Problems Beginner Time Speed Distance Problems Intermediate Probability Problems Intermediate Logical Reasoning Patterns Intermediate Seating Arrangement Problems Intermediate Blood Relation Problems Beginner Coding-Decoding Problems Beginner Syllogism Problems Intermediate Permutations and Combinations Intermediate Simple and Compound Interest Beginner Work and Time Problems Intermediate

DevOps Interview

Top DevOps Interview Questions Intermediate Docker Interview Questions Intermediate Kubernetes Interview Questions Advanced AWS Interview Questions Intermediate CI/CD Interview Questions Intermediate
Start from the beginning

Every tutorial starts with a plain-English analogy — then real code, then interview questions.

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