If numbers are different, they are not compatible.
If not compatible, The JVM will throw an exception!!!
| version | level-version |
|---|---|
| 200913-pa-build.0 | -3271922479732447666 |
| 200919-pa-build.0 | -465355383687602998 |
| 200926-pa-build.0 | 1359564638753160278 |
| 0.4.0 | 1 |
| 0.5.0 | 2 |
| 0.6.0 | 3 |