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Fan.java

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/***********************

* Fan *

* ---------------------*

* +SLOW: int *

* ---------- *

* +MEDIUM: int *

* ------------ *

* +FAST: int *

* ---------- *

* -speed: int *

* -on: boolean *

* -radius: double *

* +color: String *

* +Fan() *

* +setSpeed(int) *

* +turnOn() *

* +turnOff() *

* +setRadius(double): *

* +setColor(String): *

* +getSpeed(): String *

* +isOn(): boolean *

* +getRadius(): double *

* +getColor(): String *

* +toString(): String *

***********************/

public class Fan {

final static int SLOW = 1;

final static int MEDIUM = 2;

final static int FAST = 3;

private int speed;

private boolean on;

private double radius;

String color;

/** Constructor that creates a default fan */

Fan() {

speed = SLOW;

on = false;

radius = 5;

color = "blue";

}

/** Mutator methods */

/** Sets speed */

public void setSpeed(int newSpeed) {

speed = newSpeed;

}

/** Sets fan on */

public void turnOn() {

on = true;

}

/** Sets fan off */

public void turnOff() {

on = false;

}

/** Sets color */

public void setColor(String newColor) {

color = newColor;

}

/** Sets radius */

public void setRadius(double newRadius) {

radius = newRadius;

}

/** Accessor methods */

/** Return speed */

public String getSpeed() {

String s = "";

switch (speed) {

case SLOW: s = "SLOW"; break;

case MEDIUM: s = "MEDIUM"; break;

case FAST: s = "FAST";

}

return s;

}

/** Return on */

public boolean isOn() {

return on;

}

/** Return radius */

public double getRadius() {

return radius;

}

/** Return color */

public String getColor() {

return color;

}

/** Returns a string description for the fan */

public String toString() {

if (on == true) {

return "\nFan speed: " + getSpeed() + ", color: " + color +

", radius: " + radius + "\n";

}

else{

return "\nFan color: " + color + ", radius: " + radius +

"\nfan is off\n";

}

}

}