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Java Masterclass: OOP to Spring Boot

Master Java, object-oriented design and data structures, then build REST services with Spring Boot.

4.6(5,100 ratings)Rated 4.6 out of 5. Jump to reviews.21,300 students

Created by Aarav Mehta

  • Last updated May 2026
  • English
  • English captions
  • Intermediate level

What you'll learn

  • Write clean object-oriented Java
  • Use collections, generics and streams
  • Implement core data structures
  • Handle exceptions and I/O
  • Build REST APIs with Spring Boot
  • Write unit tests with JUnit

Skills you'll gain

  • Java
  • OOP
  • Spring Boot
  • JUnit
  • Data Structures

Requirements

  • Basic programming knowledge in any language

Who this course is for

  • Computer science students
  • Developers moving into backend Java

Description

From your first class to production-style REST APIs. This course is ideal for students preparing for campus placements and backend roles.

Sections
5
Lessons
300
Hours of video
48
Projects
1

Course curriculum

5 sections 300 lessons 48h total length

  • Video: JDK setup7m
  • Video: Syntax and types10m
  • Video: Methods8m
  • Video: Arrays11m
  • + 36 more lessons in this section

Projects you'll build

Real, portfolio-ready work. Each project is reviewed against a checklist so you know it meets a professional bar.

  1. Project 01

    Library management API

    A Spring Boot REST API with JPA, validation and tests.

Certificate

Earn a certificate employers can verify

  • Issued when you finish every lesson and the final project
  • Unique ID with a public verification page
  • Add it to LinkedIn and your resume in one click
See a verified certificate

Your instructor

Portrait of Aarav Mehta

Aarav Mehta

Senior Full-Stack Engineer · 11 years in industry

  • 4.8 instructor rating
  • 38.2K reviews
  • 210K students
  • 5 courses

Aarav has spent eleven years shipping web products for startups and enterprise teams, most recently leading a platform team that serves millions of users every day.

He teaches the way real engineering teams work: small steps, readable code and projects you can show to an employer.

  • JavaScript
  • React
  • Node.js
  • System Design
  • Java
View full profile

Learner reviews

4.6

Course rating · 5.1K ratings

Rated 4.6 out of 5 from 5100 ratings.
  • 5stars70%
  • 4stars21%
  • 3stars6%
  • 2stars2%
  • 1star1%

  • Ananya Sharma

    5 out of 5 stars,

    The projects made all the difference. I finally understand how the pieces fit together and I have a portfolio I am proud of.

  • Karthik R.

    5 out of 5 stars,

    Clear explanations, no fluff. Every module ends with something practical, which kept me motivated through the whole course.

  • Meera Iyer

    4 out of 5 stars,

    Great structure and very approachable for beginners. A few lessons could be shorter, but the Q&A support was excellent.

  • Vikram S.

    5 out of 5 stars,

    I used the capstone project in my interviews and landed my first developer role. Worth every rupee.

  • Sana Q.

    5 out of 5 stars,

    Loved the pacing and the quizzes. The downloadable resources are genuinely useful at work.

Showing the 5 most recent of 5.1K reviews.

Frequently asked questions

Intermediate level. Before you start: Basic programming knowledge in any language. Everything else is taught step by step inside the course.

Still have a question? Visit the Help Center or contact us.

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