Tech Interviews
Prepare for technical interviews at top companies.
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21 quizzes across all categories | Curated order (category order, then newest)
🧠 Day 1 Java Quiz: Test Your Basics
Day 1 of #30DaysOfJava What is Java and Why It’s Still Relevant in 2026? If you’re starting your Java journey, the first question is obvious: Why Java, even in 2026? With so many new languages and frameworks coming up every year, Java still continues to be one of the most widely used and trusted programming languages in the world. Let’s break it down. 🌟 What is Java? Java is a high-level, object-oriented, platform-independent programming language developed by Sun Microsystems (now owned by Oracle). The biggest strength of Java is its “Write Once, Run Anywhere” principle. This means: Java code is compiled into bytecode Bytecode runs on the JVM (Java Virtual Machine) The same program works on Windows, macOS, Linux, or servers without changes 🧠 Why Java Is Still Relevant in 2026 Despite being over two decades old, Java is still everywhere: 1️⃣ Enterprise & Backend Development Most large-scale applications in: Banking FinTech E-commerce Insurance are still powered by Java (Spring Boot, Microservices). 2️⃣ Strong Job Market Java consistently appears in top-paying tech skills lists due to: Huge existing codebases Continuous demand for maintenance + new features 3️⃣ Android & Beyond While Kotlin is popular, Java is still deeply embedded in Android ecosystems and legacy apps. 4️⃣ Massive Ecosystem Java has: Powerful frameworks (Spring, Hibernate) Excellent tooling Strong community support 🚀 Who Should Learn Java? Java is a great choice if you are: Preparing for tech interviews Targeting backend roles Learning DSA Looking for a stable long-term skill 💡 Final Thought Java may not always be trendy, but it is reliable, scalable, and battle-tested. That’s why companies trust it — and why developers still learn it.
JavaScript Basics
Test your knowledge of JavaScript fundamentals including variables, functions, and basic concepts.
React Fundamentals
Master the basics of React including components, hooks, and state management.
Infosys MCQ Mock Test
Infosys-style screen with arithmetic reasoning, critical thinking, and communicative English.
Quiz: OOPS Revision Sheet
Revise the most frequent OOPS interview questions and distinctions.
Git Workflows: Rebase vs Merge, and Keeping History Clean — Quiz
Open this quiz for a focused run from the selected collection.
🚀 Apache Kafka: A Beginner-Friendly Guide to Event Streaming
Apache Kafka is a distributed event-streaming platform used to build real-time data pipelines and streaming applications. It allows systems to publish, store, and process streams of events reliably and at scale.
TCS NQT MCQ Mock Test
TCS-style numerical ability, logical thinking, and basic technical awareness.
Quiz: System Design Round Framework
Practice the interview flow for clarifying, estimating, designing, and defending a system.
Quiz: API Gateway & Proxies
Knowledge check for Ch 26
Dynamic Programming (hard)
The Advanced Dynamic Programming Masterclass This challenge is designed for competitive programmers and software engineers who have moved beyond the basics and are ready to master "The Final Boss" of algorithms. It covers high-level concepts including Convex Hull Trick, Digit DP, Bitmasking, Tree Rerooting, and Quadrangle Inequality optimizations. Each question tests your ability to decompose complex problems and optimize state transitions to fit within strict competitive time limits.
SEO Optimization Techniques
The Complete Guide to SEO Engagement: How to Increase Traffic, Retention, and Rankings
Trees And Graphs (hard)
This quiz dives deep into Trees and Graphs, covering advanced concepts and real interview-level problems. It challenges your understanding of traversals, tree properties, graph algorithms, and optimization techniques. Ideal for learners preparing for DSA interviews, competitive programming, and system design basics. Test your logic, strengthen fundamentals, and level up your problem-solving skills 🚀
Deloitte MCQ Mock Test 1
Deloitte-style first round with quant, logic, verbal, and technical basics.
Service Company Mixed Mock Test 1
A mixed first-round paper for service-company patterns across aptitude, verbal, and technical sections.
Service Company Mixed Mock Test 2
Final mixed mock focused on accuracy under time pressure.
Quiz: Computer Networks Revision Sheet
Revise TCP, UDP, DNS, HTTP, HTTPS, and networking roles.
IT Companies : Tech Interview Mock Test : Operating System, Computer Networks etc
This mock test is designed to help students and job-seekers prepare for technical interviews by practicing fundamental computer science concepts. The test includes a mix of Multiple-Choice Questions (MCQs) and True/False questions covering key topics such as Operating Systems, Computer Networks, and other core technical subjects commonly asked in interviews.
Capgemini MCQ Mock Test 1
Capgemini-style mixed screening test with aptitude, reasoning, verbal, and technical sections.
Nagarro MCQ Mock Test 1
Nagarro-style aptitude plus technical MCQ paper with C and OOPS basics.
Accenture MCQ Mock Test 1
Accenture-style assessment with aptitude, logic, verbal, and technical basics.