| Developer(s) | Oracle Corporation |
|---|---|
| Stable release | 2.4.0
|
| Repository | |
| Operating system | Cross-platform |
| Available in | Java 6 or Higher |
| Type | Dependency Injection Kernel |
| License | CDDL version 1.0 and GPL v2 license |
| Website | https://javaee.github.io/hk2/ |
HK2 (Hundred-Kilobyte Kernel) is a light-weight and dynamic dependency injection framework and is a part of the GlassFish Application Server.
HK2 complies with JSR 330 (Dependency Injection for Java). It has useful utilities for marking classes as services and interfaces as contracts.[1]
Some of the features of HK2 DI Kernel are
- Custom scopes
- use of proxies
- Custom injection resolution
- Assisted injection
- J-I-T injection resolution
- Custom validation and security
- Run Level Services[1]
References
- 1 2 "HK2 - Dependency Injection Kernel". javaee.github.io. Retrieved 2017-11-19.
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