Javac的命令组成

public interface JavacOption {

    OptionKind getKind();

    /** Does this option take a (separate) operand?
     *  @return true if this option takes a separate operand
     */
    boolean hasArg();

    /** Does argument string match option pattern?
     *  @param arg   the command line argument string
     *  @return true if {@code arg} matches this option
     */
    boolean matches(String arg);

    /** Process an option with an argument.
     *  @param options the accumulated set of analyzed options
     *  @param option  the option to be processed
     *  @param arg     the arg for the option to be processed
     *  @return true if an error was detected
     */
    boolean process(Options options, String option, String arg);

    /** Process the option with no argument.
     *  @param options the accumulated set of analyzed options
     *  @param option  the option to be processed
     *  @return true if an error was detected
     */
    boolean process(Options options, String option);

    OptionName getName();

    // ...

}