For example, as a post-compilation step you could massage the .class data to make the byte code either harder to read when decompiled or harder to decompile into valid Java code (or both).

Posted in classic hacks Tagged byte code, bytecode, java, TI-99, TI-99/4A, TI/99 ← Altair 8800 Front Panel For An 8080 Emulator Showing An AVR Programmer Who’s Boss → ...

The code snippet was provided as an answer to a StackOverflow question posted in September 2010. The code snippet printed byte counts (123,456,789 bytes) in a human-readable format, like 123.5 MB.