public class Thermometer {
    private int temperature;
    
    /**
     * A Thermometer with temperature t.
     */
    public Thermometer(int t) {
        temperature = t;
    }
    
    /**
     * = "this Thermometer has the same temperature as t."
     */
    public boolean equals(Thermometer t) {
        return t != null && temperature == t.temperature;
    }
    
}