JDoodle is an Online Compiler, Editor, IDE for Java, C, C++, PHP, Perl, Python, Ruby and many more. You can run your programs on the fly online, and you can save and share them with others. Quick and Easy way to compile and run programs online.

Write and run your Java code using our online compiler. Enjoy additional features like code sharing, dark mode, and support for multiple programming languages.

OneCompiler's Online Java Editor helps you write, compile, run and debug Java code online. The code runs on latest JDK & JRE

/****************************************************************************** Online Java Compiler. Code, Compile, Run and Debug java program online. Write your code in this editor and press "Run" button to execute it.

With the ReqBin Online Java code runner, you can run Java code-snippets directly from your browser. No desktop apps or browser plugins are required. Just type the Java code and click Execute.

... Click on the "Try it Yourself" button to see how it works. If you want to create your own Java applications, W3Schools Spaces gives you an easy place to write, run, manage, and publish code online.

Free online Java Compiler and IDE. Write, compile, run and debug Java code online. No installation required. Supports debugging, code sharing, and multiple examples.

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Online Java is a blazing-fast, instant online Java IDE that lets you write, compile, and run Java code directly in your browser. No installation, no setup, no hassle - just pure coding power at your fingertips.

Run Java Programs

Welcome to our AI-powered online Java compiler and interpreter, the perfect platform to run and test your Java code efficiently. Our tool makes coding easy for developers of any skill level, whether you're a beginner or experienced.

Write and run Java code using our Java online compiler & interpreter. You can build, share, and host applications right from your browser!

May 22, 2025 - Write, compile, and run Java code instantly with Java Compiler. Learn Java syntax, take inputs, import libraries, and more. Perfect for beginners and experts alike.

This download is for end users who need Java for running applications on desktops or laptops. Java 8 integrates with your operating system to run separately installed Java applications.

April 30, 2026 - Run Java code online instantly with our free Java compiler. No setup needed. Features AI assistance, real-time collaboration, and GitHub sync.

September 5, 2025 - import org.jmock.*; import org.junit.*; import org.junit.runner.*; interface Receiver { void receive(String message); } public class Solution { @Test public void testMock() { Mockery context = new Mockery(); Receiver receiver = context.mock(Receiver.class); context.checking(new Expectations() {{ oneOf (receiver).receive("hello"); }}); receiver.receive("hello"); context.assertIsSatisfied(); } public static void main(String[] args) { JUnitCore.main("Solution"); } } Code language: Java (java) Request a demo