InfoQ - JEP - News

JEP 540 Proposed to Target JDK 28 with a Simple JSON API

A N M Bazlur Rahman — Mon, 17 Aug 2026 14:18:00 GMT

JEP 540, Simple JSON API, has progressed to Target status for JDK 28. It introduces a compact API for parsing and generating JSON documents without external dependencies. Focused on core tasks, it provides an immutable value hierarchy. The API allows simple traversal and conversion while enforcing strict syntax rules. Feedback during incubation will shape its future development.

By A N M Bazlur Rahman

Project Valhalla's First Preview: JEP 401 Redefines == for Java Objects

A N M Bazlur Rahman — Mon, 10 Aug 2026 14:32:00 GMT

JEP 401, integrated into JDK 28, introduces value objects. These new class instances feature final fields, altered behavior for equality checks, and stricter construction and synchronization rules. It aims to enhance efficiency and reduce memory allocation costs. However, the preview is disabled by default and requires specific configuration at compile and run time.

By A N M Bazlur Rahman