Developer platform / Java SE

Build, run, and optimize Java applications

The Java Development Kit is the complete development environment for compiling, debugging, testing, and running Java applications across modern platforms.

Download the JDK Read the documentation

Version details below are configurable example data until verified release metadata is supplied.

quick startshell

$ curl -LO https://example.com/jdk.tar.gz
tar -xzf jdk.tar.gz

Ready for local development

Current feature releaseExample dataReplace with verified release information

Active LTS releaseExample dataReplace with verified release information

Supported platformsLinux · macOS · WindowsVerify system requirements before deployment

LicenseVerify termsReview Oracle terms for your use case

The developer toolkit

Everything you need to work close to the runtime

From the compiler to production diagnostics, the JDK brings the core tools of the Java platform into one deliberate, scriptable environment.

Java compiler and runtime

Compile source, launch applications, and manage the runtime with the tools every Java workflow depends on.

JShell

Experiment, inspect APIs, and validate ideas in an interactive Read-Eval-Print Loop without ceremony.

Javadoc

Generate searchable API documentation from source with the same contracts your team ships.

JAR tooling

Package, inspect, sign, and run modular or classpath-based applications from the command line.

Java Flight Recorder

Capture low-overhead runtime data for production investigations and performance analysis.

Java Mission Control

Explore recordings and runtime behavior with a focused desktop analysis toolset.

Debugging and monitoring

Use the debugger, diagnostic commands, profilers, and observability hooks to understand live systems.

Security and performance

Keep a clear upgrade path for runtime hardening, correctness fixes, and platform improvements.

In practice

Modern Java, clearly expressed

Use the language and runtime features that make production systems easier to reason about. Each example calls out the release line it requires.

Any supported release

The smallest complete Java application: a class with an entry point and a standard output call.

Example.java

01public class Main {02    public static void main(String[] args) {03        System.out.println("Hello, Java");04    }05}

Get the JDK

Choose a package for your platform

Choose a package and follow the direct Oracle download link. Review Oracle licensing, checksums, and system requirements before deployment.

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