--- title: "Java DSA Course | Data Structures & Algorithms in Java for Placements" description: "Master Data Structures & Algorithms in Java for coding interviews and placements. Arrays, linked lists, trees, graphs, sorting, recursion & problem patterns, with mock interviews. Live classes. Free demo." canonical: /java-dsa-course keywords: ["java dsa course", "data structures and algorithms in java", "java dsa for placements", "dsa interview preparation java", "java coding interview", "java algorithms course", "dsa course online", "java data structures", "competitive programming java", "java placement preparation", "dsa with java"] source: src/pages/java-dsa-course.html --- > Master Data Structures & Algorithms in Java for coding interviews and placements. Arrays, linked lists, trees, graphs, sorting, recursion & problem patterns, with mock interviews. Live classes. Free demo. College & Professionals • **DSA in Java** # Java DSA Course — Crack Coding Interviews & Placements Data Structures & Algorithms is what separates a candidate who passes the interview from one who doesn't. Master DSA in Java — arrays to graphs, recursion to dynamic thinking — with the exact problem patterns interviewers test, regular practice, and mock interviews that build real confidence. Book a Free DSA DemoSee the Topics**Interview**Patterns & mocks**Java**Top interview language**5–8**Per batch**Live**Problem-solving ## Quick answer **Modern Age Coders' Java DSA course teaches Data Structures & Algorithms in Java for coding interviews and placements.** It covers arrays, strings, linked lists, stacks, queues, hashing, recursion, trees, graphs, sorting & searching, time complexity (Big-O) and the problem-solving patterns interviews test — with regular practice and mock interviews. Classes are live with a mentor who solves and reviews problems with you. Group plans start at ₹1,499/month, and a free demo is available first. Start Today ## Book a Free Java DSA Demo Class Tell us your goal and we'll arrange a free, no-obligation demo with an expert mentor. No payment required to try. Prefer to talk now? Reach us directly: [Call: 9123366161](tel:+919123366161)[WhatsApp Us](https://wa.me/919123366161?text=Hi, I'm interested in the Java DSA course) The Syllabus ## Everything You Need for Interviews A complete DSA roadmap in Java — foundations to advanced — built around what interviews actually ask. 01 ### Arrays & Strings Two pointers, sliding window, prefix sums and string manipulation. 02 ### Recursion & Backtracking Thinking recursively, subsets, permutations and classic problems. 03 ### Linked Lists Singly & doubly lists, reversal, cycle detection, merging. 04 ### Stacks & Queues Monotonic stacks, queue patterns and real interview use-cases. 05 ### Hashing HashMap & HashSet patterns for fast lookups and counting. 06 ### Trees & BST Traversals, binary search trees, height & recursion on trees. 07 ### Sorting & Searching Binary search, merge/quick sort and when to use each. 08 ### Graphs & Big-O BFS/DFS, complexity analysis and intro to dynamic programming. Why This Course ## Built for Interview Success ### Pattern-based We teach the recurring patterns behind hundreds of problems, so new questions feel familiar. ### Mock interviews Practise solving and explaining under time pressure, with honest feedback to improve. ### Regular practice Curated problem sets between classes build the muscle memory interviews demand. ### Complexity thinking Learn to reason about time & space (Big-O) — what interviewers really probe. ### Recorded sessions Every live class is recorded, so you can revisit a tricky algorithm before an interview. ### Free demo, fair price Try a full DSA demo before paying. Group plans from ₹1,499/month. Explore More ## Related Java Courses Part of our full Java cluster — explore any or book a free demo. [Best Java Classes in IndiaThe full Java course hub](/best-java-classes-in-india)[Java for AdultsCareer & backend](/java-classes-for-adults)[Java OOP ConceptsMaster OOP first](/java-oops-concepts-course)[Java for BeginnersStart from zero](/java-for-beginners)[Java ProjectsBuild real programs](/java-projects-for-students)[Full-Stack & DSACollege & pros](/courses/coding/college)[Java for TeensAges 13–18](/java-classes-for-teens)[Online Java ClassesHow live online works](/online-java-classes) Why Java for DSA ## Why Java Is a Strong Choice for DSA & Interviews Coding interviews are largely DSA interviews — and **Java is one of the most accepted languages for them.** Most companies and online judges (like LeetCode and HackerRank) support Java, and its rich **Collections framework** (ArrayList, HashMap, PriorityQueue, etc.) makes implementing data structures clean and readable. Its strong typing also forces the clear thinking that interviewers reward. ### Patterns beat memorising There are thousands of DSA problems but only a few dozen recurring patterns. We teach those patterns — two pointers, sliding window, fast-and-slow, BFS/DFS, recursion templates — so a new question feels like one you've seen. Combined with [hands-on coding](/java-projects-for-students) and complexity analysis, you stop guessing and start solving. ### For students and professionals Whether you're a final-year student targeting placements or a working professional preparing to switch companies, this course meets you where you are. You should be comfortable with Core Java and [OOP](/java-oops-concepts-course) first — if not, our [adult Java track](/java-classes-for-adults) gets you there. See the full path on the [Java classes hub](/best-java-classes-in-india). Simple Pricing ## Java DSA Course Fees Transparent monthly plans, no hidden charges. Start with a free demo. ### Group Batch ₹1,499per month · 2 classes/week - 5–8 learners per batch - Live problem-solving - Recorded class access - Practice sets + certificate Start Free DemoMost Popular ### Mini Batch ₹2,499per month · 2 classes/week - Only 3–4 learners per batch - More mentoring + mocks - Recorded class access - Practice sets + certificate Start Free Demo ### 1-on-1 Personal ₹4,999per month · fully personalised - Dedicated personal mentor - Custom interview prep plan - Recorded class access - Priority mock interviews Start Free Demo Learner Voices ## What DSA Learners Say ★★★★★ "The pattern approach changed everything. I stopped fearing new problems because they mapped to patterns I'd practised. Mocks made interviews feel normal." Nikhil R.Final-year, placements★★★★★ "Trees and graphs always confused me until the mentor walked through them live in Java. Now I can actually explain my approach out loud." Sneha M.College student★★★★★ "As a working dev preparing to switch, the weekend DSA batch and mock interviews were exactly the structured push I needed." Arvind K.Working professional ## Get interview-ready with Java DSA Book a free demo today — see the pattern-based approach before you spend a rupee. Book a Free DSA Demo Good To Know ## Frequently Asked Questions What does the Java DSA course cover?+ The course covers arrays, strings, linked lists, stacks, queues, hashing, recursion, trees, graphs, sorting and searching algorithms, time and space complexity (Big-O), and the common problem-solving patterns asked in coding interviews — all implemented in Java with regular practice. Is Java good for DSA and coding interviews?+ Yes. Java is one of the most widely accepted languages in coding interviews and on platforms like LeetCode, and its strong typing and rich Collections framework make data structures clear to learn. Many product and service companies accept or prefer Java for DSA rounds. Will this course prepare me for placements and interviews?+ Yes. The course is built around interview readiness — you learn the patterns interviewers test, practise problems regularly, and do mock interviews with feedback so you're confident solving and explaining solutions under time pressure. Do I need to know Java before starting DSA?+ You should be comfortable with Core Java basics and Object-Oriented Programming first. If you're new, we'll start you on Core Java and [OOP](/java-oops-concepts-course) and then move into DSA — the free demo helps us place you at the right level. How much does the Java DSA course cost?+ Group classes start at ₹1,499 per month for 2 classes a week. A Mini Batch of 3–4 learners is ₹2,499 per month, and personalised 1-on-1 mentoring is ₹4,999 per month. A free demo class is available before you enrol. Are the classes live with practice and mock interviews?+ Yes. Every class is live with a mentor who solves and reviews problems with you, sets practice between sessions, and conducts mock interviews. Sessions are recorded for revision. --- *Canonical: https://learn.modernagecoders.com/java-dsa-course*