parseJarfileName

public String parseJarfileName(String jarLocation) {
        if(jarLocation == null)
            return ""; // path to jar location is empty,
                       // return so stuff doesn't get messed up
        String jarfileName = ""; // name of the .jar server executable
        for(int i = jarLocation.length(); jarLocation.charAt(i - 1) != '/'; i --) {
            // read the string backwards until a / is found,
            // signaling that the jarfile name has ended
            // as this is done, concatenate the characters of the jarfile name
            jarfileName += jarLocation.charAt(i - 1);
            jarfileName.trim();
            // the jarfile name will be backwards here, so reverse it
            String str = new StringBuilder(jarfileName).reverse().toString();
            jarfileName = str;
        }
        return jarfileName;
    }
// written by 2xedo: twitter.com/2xedo