Class Balloon

java.lang.Object

Balloon

public class Balloon
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected int	maxRadius
protected boolean	popped
protected int	radius

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Balloon()
	Balloon(int max) Creates a balloon with given maximum radius; initially, the balloon is deflated (radius is zero) and is not popped.

Method Summary

Modifier and Type	Method and Description
void	deflate() Deflates the balloon without popping it (a deflated balloon has radius zero).
boolean	equals(java.lang.Object o)
int	getRadius() Returns the current radius of this balloon
void	inflate(int amount) Increases the radius of the balloon by a specified amount causing it to pop if the radius is increased beyond the maximum radius (this method has no effect if the balloon is already popped).
boolean	isPopped() Determines whether this balloon is popped.
void	pop() Pops the balloon (a popped balloon has radius zero).
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

maxRadius

protected int maxRadius

radius

protected int radius

popped

protected boolean popped

Constructor Detail

Balloon

protected Balloon()

Balloon

public Balloon(int max)

Creates a balloon with given maximum radius; initially, the balloon is deflated (radius is zero) and is not popped.

Parameters:

max - maxium radius of the balloon

Method Detail

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getRadius

public int getRadius()

Returns the current radius of this balloon

Returns:

the current radius of the balloon

inflate

public void inflate(int amount)

Increases the radius of the balloon by a specified amount causing it to pop if the radius is increased beyond the maximum radius (this method has no effect if the balloon is already popped). If the amount is negative, the radius is decreased by that amount.

Parameters:

amount - the amount by which the to increse/decrease the radius

deflate

public void deflate()

Deflates the balloon without popping it (a deflated balloon has radius zero).

isPopped

public boolean isPopped()

Determines whether this balloon is popped.

Returns:

true if the balloon is popped, false otherwise

pop

public void pop()

Pops the balloon (a popped balloon has radius zero).