Class HNode

java.lang.Object
  HNode

public class HNode
extends java.lang.Object

A binary tree node used for Huffman code trees.

Constructor Summary

HNode()
Simple constructor - sets all fields to null or 0.

HNode(java.lang.Character c)
Constructor that sets the character only.

HNode(java.lang.Character c, int freq)
Constructor that sets the character and frequency.

HNode(java.lang.Character c, int freq, HNode left, HNode right)
Fully parameterized constructor.

Method Summary

boolean	equals(java.lang.Object o) Equals predicate considers the Character and frequency only.
java.lang.Character	getChar()
java.lang.String	getCode()
int	getFrequency()
HNode	getLeft()
HNode	getRight()
void	setChar(java.lang.Character c)
void	setCode(java.lang.String code)
void	setFrequency(int f)
void	setLeft(HNode n)
void	setRight(HNode n)
java.lang.String	toString() String representation of this node. Format: <HNode: char, frequency, code>

Methods inherited from class java.lang.Object

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

Constructor Detail

HNode

public HNode()

Simple constructor - sets all fields to null or 0.

HNode

public HNode(java.lang.Character c)

Constructor that sets the character only.

Parameters:

c - the Character data item

HNode

public HNode(java.lang.Character c,
             int freq)

Constructor that sets the character and frequency.

Parameters:

c - the Character data item

freq - the frequency of occurrence for the character

HNode

public HNode(java.lang.Character c,
             int freq,
             HNode left,
             HNode right)

Fully parameterized constructor.

Parameters:

c - the Character data item

freq - the frequency of occurrence for the character

left - the left child

right - the right child

Method Detail

equals

public boolean equals(java.lang.Object o)

Equals predicate considers the Character and frequency only.

Overrides:

equals in class java.lang.Object

Parameters:

o - the object to check for equality

Returns:

true if both the Character and the frequency agree; false otherwise

getChar

public java.lang.Character getChar()

getFrequency

public int getFrequency()

getLeft

public HNode getLeft()

getRight

public HNode getRight()

getCode

public java.lang.String getCode()

setChar

public void setChar(java.lang.Character c)

setFrequency

public void setFrequency(int f)

setLeft

public void setLeft(HNode n)

setRight

public void setRight(HNode n)

setCode

public void setCode(java.lang.String code)

toString

public java.lang.String toString()

String representation of this node.
Format: <HNode: char, frequency, code>

Overrides:

toString in class java.lang.Object

Returns:

the string representation