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Version compatibility
Martin Paljak edited this page Feb 7, 2023
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The recommended JDK for all-purpose JavaCard development (including JavaCard 2) is JDK-8. For modern work (JavaCard 3) JDK-11 LTS can be used. For new projects targeting new JavaCards (3.0.4+) JDK-17 LTS should be used.
See also end of life dates: https://endoflife.date/java
The supported class file major version mapping against major JDK releases is as follows:
| JavaCard Kit | Converter can convert (up to) | Supported JDK-s |
|---|---|---|
| 2.1.1 | 1.2 (46) | JDK-8 |
| 2.1.2 | 1.2 | JDK-8 |
| 2.2.1 | 1.2 | JDK-8 |
| 2.2.2 | 1.5 (49) | JDK-8 |
| 3.0.1 | 1.6 (50) | JDK-8, JDK-11 |
| 3.0.4 | 1.6 | JDK-8, JDK-11 |
| 3.0.5 | 1.6 | JDK-8, JDK-11 |
| 3.1.0 | 1.7 (51) | JDK-8, JDK-11, JDK-17, JDK-19 |
- JDK-8 minimum target version is 1.2
- JDK-11 minimum target version is 1.6 (supports JC 3.0.x)
- JDK-17 minimum target version is 1.7 (supports JC 3.1.x)
- JC 3.1.0 includes new format export files for 3.0.4 and 3.0.5