Worked on the JetBrainsRuntime repository to enhance the relevance and clarity of javap command-line tool output. Addressed output noise by implementing a filtering mechanism that displays LineNumberTable and LocalVariableTable information only when disassembled code or verbose output is explicitly requested, aligning the tool’s behavior with user expectations. Improved code readability by correcting the indentation of several method code attribute tables, ensuring consistency with method signatures and headers. Added targeted test coverage to guard against regressions. The work leveraged Java for development and code analysis, with a focus on tooling improvements that streamline developer workflows and maintain output reliability.