Full JDK • Maven • Spring Boot

Java Development. In Your Browser.

Complete Java environment with JDK, Maven, Spring Boot scaffolding, and compilation. No local IDE installation required. Write, compile, and run Java instantly.

Java development playground with full JDK environment in the browser

Not a Simulator. A Full JDK Environment. Compile, Run & Build Java Applications

Access a Full JDK Environment , Not Watching

This is not an online code snippet runner. You get a real Linux environment with a complete JDK installation, terminal access, and full filesystem. Compile multi-file projects, manage classpaths, and run Java applications the same way they run in production at Google, Amazon, and every major bank.

Student testimonial
Student testimonial
"Having a full JDK instead of an online editor made Java development real."

Engineering Student

Start Java Lab
Full JDK environment with compilation and terminal access

Maven + Spring Boot, Ready to Go , Not Watching

Skip the tedious project setup. Maven is pre-installed and ready to resolve dependencies. Scaffold a Spring Boot application, add controllers and services, and have a running web application in minutes.

Student testimonial
Student testimonial
"Building Spring Boot apps in the playground felt like real enterprise development."

Java Developer Candidate

Try Spring Boot
Maven and Spring Boot development environment

Compile and Run Instantly , Not Watching

No waiting for heavy IDE downloads or plugin configurations. Write your Java code, compile it with javac or Maven, and see output immediately. Practice data structures, algorithms, OOP patterns, and build complete applications — all from your browser.

Student testimonial
Student testimonial
"Compiling and running Java code instantly without IDE setup was freeing."

Software Engineer (Junior)

Start Building
Instant Java compilation and execution in the browser

Java Playground by the numbers

6 +

Hands-on Java labs from basics to Spring Boot

100 %

Real JDK environment (not an online editor)

0

IDE or local installation required

Compile, Run, Learn.

Java is the backbone of enterprise software. Stop configuring IDEs and start writing real Java code. Compile, test, and run applications in a full JDK environment — ready in seconds.

Students building with Java on DeployU

Photo of Final Year CSE Student

"Having a full JDK with Maven and Spring Boot made Java development practice productive and real."

Final Year CSE Student

How real Java environment helped build enterprise development skills.

Read full story