/**
 * A simple class from a simple song
 * @author gtowell
 * Created: Sep 2020
 */
public class Inchworm
{
    /** 
     * The current measurement status of the inchworm
     */
    private int measurement;

    /**
     * Create an default inchworm.  It starts measuring at 1.
     */
    public Inchworm() {
        this.measurement=1;
    }

    /**
     * Create an inchworm starting at something other than 1.
     * @param startingMeasurement  the starting measurement 
     */
    public Inchworm(int startingMeasurement) {
        this.measurement = startingMeasurement;
    }

    /**
     * A copy constructor.  It copies the state of an existing inchworm
     * @param iw the inchworm to be copied
     */
    public Inchworm(Inchworm iw) {
        this.measurement = iw.getMeasurement();
    }

    /**
     * Get accessor for measurement.  Get accessors need NOT be commented
     * @return the measurement
     */
    public int getMeasurement() {
        return this.measurement;
    }

    /**
     * Change the measurement by doubling.  It is all inchworms can do.
     */
    public void doubleM() {
        this.measurement *= 2;
    }

    /**
     * The toString function.  Normally this does not need a comment.
     * @Override indicates that this function is defined in inherited class
     */
    @Override
    public String toString() {
        return "The marigold measures " + this.measurement + " inches";
    }

    /**
     * Put the inchworm back in its base state 
     */
    public void reset() {
        this.measurement=1;
    }

    /**
     * Function to be executed at start.
     * @param args NOT used.
     */
    public static void main(String[] args) {
        Inchworm inchworm = new Inchworm();
        inchworm.doubleM();
        System.out.println(inchworm);
        Inchworm inchworm2 = new Inchworm(inchworm);
        inchworm2.doubleM();
        System.out.println(inchworm2 + " " + inchworm);
    }
}