javac

Java Application Compiler.

Compile a .java file:

javac {{filename.java}}

Compile several .java files:

javac {{filename1.java}} {{filename2.java}} {{filename3.java}}

Compile all .java files in current directory:

javac {{*.java}}

Compile a .java file and place the resulting class file in a specific directory:

javac -d {{path/to/some/directory}} {{filename.java}}