D24
Foundation CourseWeb DevelopmentBeginner3 weeks
Java
Java is a beginner course covering the statically-typed, object-oriented language widely used in enterprise and Android development. Over 3 weeks, learners use typed variables, write methods and loops, create classes, and progress to collections, exceptions, interfaces, generics, streams, concurrency, and building a REST API with Spring Boot — suited to anyone new to Java.
Use typed variables. Write methods and loops. Create a small class.
What you'll learn
Use typed variables.
Write methods and loops.
Create a small class.
Course details
Duration
3 weeks
Best for
Anyone new to Java
This course is free
Course Curriculum
A module-by-module breakdown of what you'll cover in Java.
01Basic
4 topicsWeek 1
- Java Fundamentals: Classes, Objects, and the JVM
- Collections: Lists, Maps, and Sets
- Exception Handling: try/catch and Checked vs. Unchecked Exceptions
- Project: Build an Inventory Manager with Collections and Exception Handling
02Intermediate
4 topicsWeek 2
- Interfaces and Polymorphism
- Generics: Writing Type-Safe, Reusable Code
- Lambdas and the Streams API
- Project: Refactor the Inventory Manager with Interfaces, Generics, and Streams
03Advanced
6 topicsWeek 2
- A program entry point and types
- Methods and arrays
- Objects group related state
- Compare string contents correctly
- Conditions protect arithmetic assumptions
- Read compiler errors from the first cause
04Pro
4 topicsWeek 3
- Concurrency: Threads, ExecutorService, and Thread Safety
- Building a REST API with Spring Boot
- Unit Testing with JUnit and Mockito
- Project: Build and Test a Concurrent, Spring Boot-Backed Order Service
05AI Pro
3 topicsWeek 3
- Using Claude, ChatGPT, and Perplexity to Write and Debug Java Code
- Verifying AI-Suggested Java Code, Especially Concurrency, Before Trusting It
- Project: AI-Assisted Concurrent Java Development with Load Testing Verification
Communication & Soft Skills
Built into every course, alongside the technical curriculum.
Communication Skills
Practice explaining technical work clearly to teammates, managers, and clients.
Practical AI Skills
Hands-on training in using AI tools well — prompting, everyday workflows, and where AI actually helps versus where it doesn't.
Teamwork & Collaboration
Work in small project teams using real workflows like stand-ups and code reviews.
Problem Solving
Build the habit of breaking down ambiguous problems into clear, solvable steps.
Time Management
Learn to plan, prioritize, and deliver project work against realistic deadlines.
Presentation Skills
Present your project work and results with confidence, as you would to a client.
Resume & Profile Building
Build a strong resume, LinkedIn profile, and project portfolio that recruiters notice.
Interview Preparation
Mock interviews and portfolio reviews to get you ready for real job applications.
Career & Placement Support
100% of students enrolled in Java get full access to placement support — real tools and guidance, not just a promise. This is support and access, not a guaranteed job outcome.
Resume Builder
A resume auto-built from your real completed projects and certificates, ready to export.
Shareable Portfolio
A public portfolio page showcasing your approved projects, with a link you can share with employers.
Interview Preparation
Guidance on presenting your projects and experience clearly in real interviews.
Peer & Mentor Community
Ongoing access to our learner community for questions, feedback, and support after you finish.
What Your Certificates Look Like
Real, verifiable certificates with your name, Java, and a QR code anyone can scan to confirm they're genuine — one for completing the course, and a separate one if you take the internship track.
Course Completion Certificate
SAMPLE
Data24ZoneCertificate of Completion · Free Course
Illustrative recipient
Your Name Here
Example certificate for completion of
Java
- Certificate No.
- D24-SAMPLE
- Mode
- Self-Paced
- Duration
- 3 weeks
- Example issue date
- On completion
Sample only — not a real, issued certificate.
Verification is available only on issued certificates.
Internship Completion Certificate
SAMPLE
Data24ZoneCertificate of Internship
Illustrative recipient
Your Name Here
Example certificate for completion of
Java
- Certificate No.
- D24-SAMPLE
- Mode
- Internship
- Duration
- 3 weeks
- Example issue date
- On completion
Sample only — not a real, issued certificate.
Verification is available only on issued certificates.
Frequently Asked Questions
What will I learn in the Java course?
You'll learn: Use typed variables.; Write methods and loops.; Create a small class..
Is the Java course beginner-friendly?
Yes — this is a beginner-level course.
How long does the Java course take to complete?
The course is designed to be completed in approximately 3 weeks, depending on your pace.
What enrollment options are available for Java?
Internship (₹2,499) — Work through real projects with our team and earn an internship certificate (course certificate not included). Self-Paced (₹1,999) — Learn anytime with the full recorded curriculum and community access.
Is there an internship option for Java?
Yes — the Internship track means working through real projects with our team and earning a separate Internship Certificate.
Will I get a certificate after completing Java?
Yes. Self-paced enrollment earns a course completion certificate once your final project is reviewed and approved. Internship enrollment earns an internship certificate once your internship projects are approved. Every certificate is publicly verifiable on our website and can be added directly to your LinkedIn profile.
Is placement support included with Java?
Yes — every enrolled student gets full access to our placement support: resume building, a shareable project portfolio, mock interview preparation, and guidance applying what you've built to real job applications. This is support and access, not a guaranteed job outcome — how quickly it leads to an offer depends on the market and your own effort.
