01
Pick
Choose a subject
Pick PHP, Java, Python, React, Spring Boot, or Django — whatever the job description asks for.
Free interview prep · English & Hindi
Crack your next
tech interview
Practice 663+ expert Q&As across Django, Java, Python, React, Spring Boot, JavaScript, PHP — with code, tables, and interview tips. In English and Hindi.
663+ Q&As
68+ Topics
EN + HI bilingual
100% free
663+
Interview Q&As
68+
Topics to study
7+
Tech subjects
EN+HI
Bilingual answers
Step 1 — Pick a subject
What are you interviewing for?
Choose a subject to explore its topics in order — basics first, then advanced concepts.
Framework
Django
Django Fundamentals and Project Setup
Django Models & ORM
Django Views & URL Routing
Start prep
Backend
Java
Java Basics and Object-Oriented Progra...
String, StringBuffer, and StringBuilde...
Collections Framework (List, Set, Map)
Start prep
Backend
Python
Python Basics & Syntax
Data Types and Data Structures
Functions and Lambda Expressions
Start prep
Frontend
React
React Basics and JSX
Components (Class vs Functional, Pure...
Hooks (useState, useEffect, useContext...
Start prep
Framework
Spring Boot
Spring Boot Basics & Core Concepts
Building REST APIs with Spring Boot
Spring Data JPA & Database Integration
Start prep
Frontend
JavaScript
JavaScript Basics & Fundamentals
Functions and Arrow Functions
Closures and Callbacks
Start prep
Backend
PHP
PHP Basics & Syntax
Object-Oriented Programming in PHP
Arrays & String Functions
Start prep
Simple path
How to use PrepIQ in 3 steps
No random dumps. Study one topic at a time — the way real interviews flow.
02
Study
Study topic by topic
Start with basics, then OOP, then frameworks. Each topic is a focused set of real interview Q&As.
03
Repeat
Read, recall, repeat
Every answer includes code, a comparison table where it helps, and a tip on how to say it in the room.
Step 2 — Open a topic
High-yield topics to start with
A curated mix from every subject — jump in quickly, then explore the full list.
Django
Django Fundamentals and Project Setup
Set up Django projects. Learn directory structures, settings configs, manage.py CLI comman...
10 questions
Open
Django
Django Models & ORM
Master Django database integrations. Learn model declarations, migrations, custom managers...
10 questions
Open
Java
Java Basics and Object-Oriented Programming (OOP)
Learn Java OOP core. Master variables, classes, inheritance, method overriding, interfaces...
10 questions
Open
Java
String, StringBuffer, and StringBuilder
Differentiate immutable String from mutable StringBuffer and StringBuilder. Learn performa...
10 questions
Open
Python
Python Basics & Syntax
Master core Python syntax, indentation rules, variable definitions, standard operators, ar...
10 questions
Open
Python
Data Types and Data Structures
Understand primitive data types and structures in Python, including lists, tuples, diction...
10 questions
Open
React
React Basics and JSX
Understand JSX, virtual DOM rendering, render loops, initial setups, state vs props, and R...
10 questions
Open
React
Components (Class vs Functional, Pure Components)
Differentiate class components from functional components, pure components, lifecycle meth...
10 questions
Open
Spring Boot
Spring Boot Basics & Core Concepts
Get started with Spring Boot. Understand auto-configurations, application properties, and...
10 questions
Open
Spring Boot
Building REST APIs with Spring Boot
Design REST endpoints. Learn route mappings, request body mappings, JSON responses, status...
10 questions
Open
JavaScript
JavaScript Basics & Fundamentals
Cover core JavaScript concepts including variables, operations, data types, type coercion,...
10 questions
Open
JavaScript
Functions and Arrow Functions
Master JavaScript functional programming. Understand parameters, standard functions, arrow...
10 questions
Open
PHP
PHP Basics & Syntax
Core PHP fundamentals every interviewer checks first: syntax, data types, variable scope,...
13 questions
Open
PHP
Object-Oriented Programming in PHP
Master Object-Oriented Programming in PHP, including classes, inheritance, polymorphism, e...
10 questions
Open
Why students choose PrepIQ
Built for campus placements & product interviews
Scattered notes and random PDFs make prep harder. PrepIQ keeps one clean path: subject → topic → question → answer you can actually say out loud.
Start practicing freeEnglish + Hindi
Switch language and keep the same structure — useful when you think in Hindi but interview in English.
Code, not theory
Answers include syntax-highlighted snippets and tables so you can compare concepts quickly.
Topic-wise order
Basics first, then OOP, APIs, security, frameworks — the order interviewers follow.
Interview tip in every Q
Each answer ends with how to phrase it in the room, including common follow-ups.
Study on any device
Phone, tablet, or laptop — search and read without horizontal scrolling.
Free core library
The question bank is free to read. Start now — no credit card, no waitlist.
FAQ
Frequently asked questions
If you are a student starting interview prep, start here.
Is PrepIQ free to use?
Yes. Browse every subject, open any topic, and read the full Q&A library — including code examples and interview tips — without paying anything.
Which subjects can I prepare on PrepIQ?
PrepIQ currently covers Django, Java, Python, React, Spring Boot, JavaScript, PHP. Each subject is split into interview topics that move from basics to advanced concepts.
Are answers available in Hindi?
Yes. Questions and answers are in both English and Hindi — useful for campus placements and product-company interviews in India.
How should a student start preparing?
Pick one subject, start with the first topic (basics), and work through questions in order. Read the explanation, study the code, and note the interview tip before moving on.
Are these real interview questions?
Yes. Each topic groups questions interviewers actually ask — with comparison tables, code snippets, and a short tip on how to answer in the room.
Do I need to register to practice?
No. Search a topic, open a subject, and start reading immediately. The core question bank is always free.
Ready to start?
Start with one subject today
Open Django, finish the first topic, and walk into your next round with answers you can explain.