---
name: "janinoc"
section: "1"
platform: "linux"
package: "janino"
version: "3.1.12+dfsg-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/janinoc"
---

# janinoc(1)

a runtime Java Compiler.

## NAME

Janino - a runtime Java Compiler.

## SYNOPSIS

**janinoc \[***options***\]** *source-file* **...**

## DESCRIPTION

- Janino is a compiler that reads a Java expression, block, class body, source file or a set of source files, and generates Java bytecode that is loaded and executed directly. Janino is not intended to be a development tool, but an embedded compiler for run-time compilation purposes, e.g. expression evaluators or "server pages" engines like JSP.

  - janinoc is a front-end that compiles all specified input files.

  ## OPTIONS

**-d** output-dir Where to save class files

- **-sourcepath** dirlist, **-extdirs** dirlist, **-bootclasspath** dirlist

  Where to look for other source files

- **-encoding** encoding

  Encoding of source files, e.g. "UTF-8" or "ISO-8859-1"

- **-verbose**

  More output.

- **-g** \[none\|{lines,vars,source}\]

  Generate all, no, or only some debugging info.

- **-warn:**pattern-list

  Issue certain warnings, examples:

  ```
  	-warn:*		All warnings
  	-warn:IASF	Only warn against implicit access to static fields
  	-warn:*-IASF	Enables all warnings, except those against implicit access to static fields
  	-warn:*-IA*+IASF Enables all warnings, except those against implicit accesses, but do warn against implicit access to static fields
  ```

- **-rebuild**

  Compile all source files, even if the class files seems up-to-date

- **-help**

  Prints a help message

## AUTHORS

```
The Janino Team http://janino.net/
Arno Unkrig <aunkrig@codehaus.org>
```