Command

/**
 * Write a description of class Command here.
 *
 * @author Daffa Tristan Firdaus
 * @version 18 November 2020
 */

public class Command
{
    private String commandWord;
    private String secondWord;


    public Command(String firstWord, String secondWord)
    {
        commandWord = firstWord;
        this.secondWord = secondWord;
    }

    /**
     * Return the command word (the first word) of this command. If the
     * command was not understood, the result is null.
     * @return String commandWord
     */
    public String getCommandWord()
    {
        return commandWord;
    }

    /**
     * Return the second word of this command. Returns null if there was no
     * second word.
     * @return String secondWord
     */
    public String getSecondWord()
    {
        return secondWord;
    }

    /**
     * Return true if this command was not understood.
     * @return bool
     */
    public boolean isUnknown()
    {
        return (commandWord == null);
    }

    /**
     * Return true if the command has a second word.
     * @return bool
     */
    public boolean hasSecondWord()
    {
        return (secondWord != null);
    }
}