The -source option specifies the Java SE version and has the following acceptable values:
| Value | Description |
| 1.3 | javac does not support features introduced after Java SE 1.3. |
| 1.4 | javac accepts code with language features introduced in Java SE 1.4. |
| 1.5 or 5 | javac accepts code with languages features introduced in Java SE 1.5. |
| 1.6 or 6 | javac reports encoding errors as errors instead of warnings. Of note, no new language features were intruded with Java SE 1.6. |
| 1.7 or 7 | javac accepts code with language features introduced in Java SE 1.7. This is the default value if the -source option is not used. |
The -target option tells javac what version of the JVM to target. The acceptable values for ...
