Java application compiler. More information: https://docs.oracle.com/en/java/javase/20/docs/specs/man/javac.html.
.java
file:javac path/to/file.java
.java
files:javac path/to/file1.java path/to/file2.java ...
.java
files in current directory:javac *.java
.java
file and place the resulting class file in a specific directory:javac -d path/to/directory path/to/file.java