JLayer 1.0
is a popular open source MP3 player for Java. Is has all kinds of features.
You can download it directly from
javazoom.net.
This includes all of the
documentation
and the jar file jl1.0.jar.
The file MP3.java is a bare bones
Java program that uses JLayer to play the MP3 file specified
on the command line. It plays the MP3 file in a separate thread,
so you are free to perform other computation while the song plays.
In order to compile and execute it, you need to put the file
jl1.0.jar in your current working
directory (or classpath). Instructions for compiling and
executing (depending on your operating system) are included
in the .java file.