Reverse engineering, comparing decompiler outputs
| Use case | Best tool | |----------|-----------| | Quick glance | JD-GUI | | Production code analysis | FernFlower (via IntelliJ) | | Accurate decompilation | Procyon | | Obfuscated malware analysis | CFR | | Serious reverse engineering | Bytecode Viewer |
Modern Java applications
When you compile Java code, it turns into —a set of instructions for the Java Virtual Machine (JVM) stored in .class files. A decompiler performs the reverse operation: it reads that bytecode and reconstructs a human-readable .java file.
