Exercise 2.92 - Heater.java

public class Heater {
    private double temperature;

    public Heater() {
        temperature = 15.00;
    }

    public void warmer() {
        temperature += 5.00;
    }

    public void cooler() {
        temperature -= 5.00;
    }

    public double getTemperature() {
        return temperature;
    }
}