Given the following declaration of an Oven class:

public class Oven $\{$

private int temperature;

$//$ EFFECTS: constructs an oven whose temperature is $65$F

public Oven$()\{$

$//$ stub

$\}$

$//$ REQUIRES: $180<=$ degrees $<=500$

$//$ MODIFIES: this

$//$ EFFECTS: heats oven to degrees Fahrenheit

public void preheatTo$($int degrees$)\{$

$//$ stub

$\}$

$\}$