/**
 * Write a description of class Heater here.
 *
 * @author Rifqi Mukti W
 * @version 29.09.2017
 */
public class Heater
{
    // instance variables - replace the example below with your own
    private double temperature;

    public Heater()
    {
        // initialise instance variables
        temperature = 15.0;
    }

    public void warmer()
    {
        temperature = temperature + 5.0;
    }

    public void cooler()
    {
        temperature = temperature - 5.0;
    }

    public double getTemperature()
    {
        return temperature;
    }
}