---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# mpijavac

> Open MPI compiler wrapper for Java.
> See also: `mpirun`.
> More information: <https://docs.open-mpi.org/en/main/features/java.html#building-java-mpi-applications>.

- Compile a Java source file:

`mpijavac {{path/to/source_file}}.java`

- Pass application-specific classpaths to compiler:

`mpijavac -cp {{path/to/app}}.jar {{path/to/source_file}}.java`

- Show the flags necessary to build MPI Java applications:

`mpijavac --showme`

- Show the flags necessary to compile MPI Java applications:

`mpijavac --showme:compile`

- Show full invoked Java compiler command line:

`mpijavac {{path/to/source_file}}.java --showme`