Java Roadmap – How to Be Interview Ready in 60 Days
Your complete 60-day guide to mastering Java for interviews — from Core Concepts to Advanced Practice.
Image: Java Roadmap — Tech Sikhega India
Why Java?
Java remains one of the most in-demand programming languages for developers and product companies. Whether you aim for service-based giants like TCS, Infosys, Accenture or product companies like Amazon and Flipkart, strong Java fundamentals can give you a huge edge.
60-Day Java Roadmap
Days 1–10: Core Java Foundations
- Learn basic syntax, data types, and operators.
- Understand OOP principles — Classes, Objects, Inheritance, Polymorphism, Encapsulation.
- Practice 30–40 easy coding problems on loops, arrays, and strings.
Days 11–25: Advanced Java Concepts
- Collections Framework (List, Set, Map, Queue).
- Generics and Exception Handling.
- Multithreading basics and synchronization.
- Learn Java 8 Features — Streams, Lambda, Functional Interfaces.
Days 26–40: Data Structures and Algorithms
- Revise DSA in Java: Arrays, Linked List, Stack, Queue, Tree, Graph.
- Learn sorting/searching algorithms.
- Practice LeetCode and HackerRank Java questions daily.
Days 41–50: Interview Essentials
- Java OOPs interview questions.
- Exception handling, String manipulation, Collections questions.
- Practice mock interviews.
Days 51–60: Projects and Final Prep
- Build 1–2 mini-projects (Library Management, Blog API, Student Tracker).
- Revise notes and tricky topics daily.
- Practice HR and behavioral interview questions.
Bonus Tips
- Follow daily consistency — even 2 hours a day is enough if focused.
- Write code on paper sometimes — helps in whiteboard interviews.
- Understand, don’t memorize — interviewers value clarity.
Tip: Save this roadmap and revisit every week to track progress.
You’ll be amazed at your growth by Day 60!
Useful Resources
📩 Have questions about your Java prep? Drop a comment below or email us at yourmail@gmail.com