Temperature

public class Temperature {
    private double temperature;
    private Character scale;
    private String temp1;
    private String temp2;

    public Temperature(double degrees) {
        this.temperature = degrees;
        this.scale = 'C';
    }

    public Temperature(Character s) {
        temperature = 0;
        scale = s;
    }

    public Temperature(double degrees, Character s) {
        this(degrees);
        this.scale = s;
    }

    public Temperature() {
        temperature = 0;
        scale = 'C';
    }

    public double returnFahrenheit() {
        return (Math.round((temperature * 9) / 5) + 32);
    }

    public double returnCelsius() {
        return (Math.round(((temperature - 32) * 5) / 9));
    }

    public void setDegrees(double degrees) {
        temperature = degrees;
    }

    public void setScale(Character s) {
        scale = s;
    }

    public void setInfo(double degrees, Character s) {
        setDegrees(degrees);
        setScale(s);
    }

    public String getScale() {
        return String.valueOf(this.scale);
    }

    public double getTemperature() // another extra method
    {
        return temperature;
    }

    public void equalize(Temperature t2) {
        temp1 = this.getScale();
        temp2 = t2.getScale();

        if (temp1.equalsIgnoreCase("F")) {
            setDegrees(this.returnCelsius());
            setScale('C');
        }
        if (temp2.equalsIgnoreCase("F")) {
            setDegrees(t2.returnCelsius());
            setScale('C');
        }
    }

    public boolean equals(Temperature t) {
        equalize(t);

        return this.getTemperature() == t.getTemperature();
    }

    public boolean isGreaterThan(Temperature t) {
        equalize(t);

        return this.getTemperature() > t.getTemperature();
    }

    public boolean isLessThan(Temperature t) {
        equalize(t);

        return this.getTemperature() < this.getTemperature();
    }

    public void writeOutput() {
        System.out.println(this.getTemperature() + ", " + this.getScale());
    }
}