/**
 *
 * @author Rifqi Mukti W
 * @version 29/09/2017
 */
public class Heater
{
    // instance variables - replace the example below with your own
    private double temperature;
    private double min;
    private double max;
    private double increment;
    /**
     * Constructor for objects of class Heater
     */
    public Heater(double temperatureMin, double temperatureMax)
    {
        temperature = 15.0;
        min = temperatureMin;
        max = temperatureMax;
        increment = 5.0;
    }

    public void warmer()
    {
        if (temperature + increment > max)
        {
            System.out.println("The value is invalid.");
        }
        else
        {
            temperature = temperature + 5.0;
        }
    }

    public void cooler()
    {
        if (temperature + increment < min)
        {
            System.out.println("The value is invalid.");
        }
        else
        {
            temperature = temperature - 5.0;
        }
    }

    public void setIncrement(double input)
    {
        if (input < 0)
        System.out.println("Wrong input!.");
        else increment = input;
    }

    public double getTemperature()
    {
        return temperature;
    }
}