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Java 25 retires 32-bit x86 support, introduces 17 innovative features

Arrival of the long-term support release candidate, with the general availability set for the upcoming month.

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Java 25 Retires 32-bit x86 Support, Introduces 17 New Features
Java 25 Retires 32-bit x86 Support, Introduces 17 New Features

Java 25 retires 32-bit x86 support, introduces 17 innovative features

Java 25, the latest Long-Term Support (LTS) version of the popular programming language, is set to make a significant impact on enterprise development and AI workloads. At the release candidate (RC) stage, the new version introduces 18 new features, many of which are aimed at improving code expressiveness, performance, and developer productivity.

Key Features of Java 25 LTS

Flexible Constructor Bodies (JEP 513)

This feature, now permanent, allows statements before calling or , improving code readability and maintainability by supporting conditional initialization and validation in constructors.

Compact Source Files & Instance Main Methods

Simplifying Java programming, this update reduces boilerplate and supports inline main methods, facilitating faster development, especially for beginners.

Module Import Declarations

Enabling the importing of multiple packages from a module concisely, this feature simplifies large codebase management.

AOT Method Profiling & Ahead-Of-Time (AOT) Cache Improvements

These enhancements extend the JVM's ability to pre-compile and optimize code, reducing runtime overhead and improving startup performance.

Removal of 32-bit x86 Support

Focusing maintenance and performance on widely used 64-bit architectures, this change reduces complexity for the JVM and tools.

New Cryptography API for Key Derivation Functions

This API supports advanced cryptographic needs, including post-quantum cryptography, aiding security in enterprise apps.

Scoped Values

An improved form of thread-local variables, Scoped Values address mutability, lifetime, and inheritance issues, helping developers write safer concurrent code.

JEP 519: Compact Object Headers

This feature reduces memory usage and increases execution speed, benefiting enterprise applications and AI workloads.

JEP 505: Structured Concurrency (Fifth Preview)

Simplifying concurrent programming, this feature treats related tasks as single units, ideal for orchestrating AI model calls and improving maintainability.

Impact on Developers and Enterprise Development

Increased Productivity

Reduced boilerplate and more flexible syntax mean less repetitive coding and faster feature development.

Performance Gains

Startup time improvements with AOT profiling and lower runtime memory footprints allow businesses to run Java applications more efficiently.

Better Support for AI and Modern Workloads

Features like structured concurrency and compact object headers position Java as a strong platform for enterprise AI applications.

Easier Maintenance and Scalability

Module import declarations and improvements in concurrency handling help maintain large, complex codebases common in enterprise environments.

Java 25 LTS, scheduled for general availability on September 16, 2025, represents a major evolutionary step aimed at keeping Java relevant, modern, and performant for enterprise and AI-driven development scenarios. The Azul State of Java Report suggests that this JDK release matters more than most due to cautious adoption of LTS releases by organizations.

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