package eecs1022.finala;

/**
 * A class that represents an interval of values on the integer number line. An
 * interval has two properties: a minimum value and a maximum value.
 * 
 * @author Franck van Breugel
 */
public class Interval 
{
    private int min;
    private int max;

    /**
     * Initializes this interval with the given minimum and maximum values.
     * 
     * @param min the minimum value of this interval.
     * @param max the maximum value of the interval.
     */
    public Interval(int min, int max) 
    {
	this.min = min;
	this.max = max;
    }

    /**
     * Checks if the given value is inside this interval.
     * 
     * @param value the value to check
     * @return true if value ≥ minimum of this interval and 
     * value ≤ maximum of this interval, false otherwise.
     */
    public boolean contains(int value) 
    {
	return this.min <= value && value <= this.max;
    }

    /**
     * Returns a copy of this interval, that is, a new interval
     * with the same minimium and maximum.
     *
     * @return a copy of this interval.
     */
    public Interval copy()
    {
	return new Interval(this.min, this.max);
    }

    /**
     * Returns the string representation of this interval. The string contains the
     * minimum and maximum values separated by a comma and space all inside of a
     * pair of square brackets.
     * 
     * @return a string representation of this interval.
     */
    public String toString() 
    {
	return "[" + this.min + ", " + this.max + "]";
    }
}