It is important to clarify from the outset that for any official Java Development Kit (JDK) release from Oracle, OpenJDK, or any recognized vendor.

: Approximately 53.20 MB for the offline installer. File Type : Win32 EXE (PE32 executable).

Your code is only as secure as the toolchain that builds it.

"pexe" hints at an executable form — perhaps a packaged native launcher or platform-specific executable wrapper around JVM startup. A ".pexe" (portable executable) or similarly named artifact conveys that the release is more than source code: it is a binary meant to be run, distributed, and installed. That step from source to executable is where many subtle issues surface: symbol resolution, resource embedding, localization, and the brittle dance of dependencies.