HotSpot (virtual machine)
| Java HotSpot Virtual Machine | |
|---|---|
| Original author(s) | Sun Microsystems |
| Developer(s) | Oracle Corporation |
| Initial release | April 27, 1999 |
| Stable release | Java SE 24
/ 18 March 2025 |
| Repository | github |
| Written in | C++, Assembly |
| Operating system | Cross-platform |
| Type | Java virtual machine |
| License | Proprietary (early versions), GNU General Public License (current) |
| Website | openjdk |
HotSpot, released as Java HotSpot Performance Engine, is a Java virtual machine for desktop and server computers, developed by Sun Microsystems which was purchased by and became a division of Oracle Corporation in 2010. Its features improved performance via methods such as just-in-time compilation and adaptive optimization. It is the de facto Java Virtual Machine, serving as the reference implementation of the Java programming language.