DataStructures
Class MyInteger

java.lang.Object
  |
  +--DataStructures.MyInteger

All Implemented Interfaces:

Comparable, Hashable

public final class MyInteger

extends java.lang.Object

implements Comparable, Hashable

Wrapper class for use with generic data structures. Mimics Integer. In Java 1.2, you can use Integer if Comparable is needed.

Constructor Summary

MyInteger()
Construct the MyInteger object with initial value 0.

MyInteger(int x)
Construct the MyInteger object.

Method Summary

int	compareTo(Comparable rhs) Implements the compareTo method.
boolean	equals(java.lang.Object rhs) Implements the equals method.
int	hash(int tableSize) Implements the hash method.
int	intValue() Gets the stored int value.
java.lang.String	toString() Implements the toString method.

Methods inherited from class java.lang.Object

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

Constructor Detail

MyInteger

public MyInteger()

Construct the MyInteger object with initial value 0.

MyInteger

public MyInteger(int x)

Construct the MyInteger object.

Parameters:

x - the initial value.

Method Detail

intValue

public int intValue()

Gets the stored int value.

Returns:

the stored value.

toString

public java.lang.String toString()

Implements the toString method.

Overrides:

toString in class java.lang.Object

Returns:

the String representation.

compareTo

public int compareTo(Comparable rhs)

Implements the compareTo method.

Specified by:

compareTo in interface Comparable

Parameters:

rhs - the other MyInteger object.

Returns:

0 if two objects are equal; less than zero if this object is smaller; greater than zero if this object is larger.

Throws:

ClassCastException - if rhs is not a MyInteger.

equals

public boolean equals(java.lang.Object rhs)

Implements the equals method.

Overrides:

equals in class java.lang.Object

Parameters:

rhs - the second MyInteger.

Returns:

true if the objects are equal, false otherwise.

Throws:

ClassCastException - if rhs is not a MyInteger.

hash

public int hash(int tableSize)

Implements the hash method.

Specified by:

hash in interface Hashable

Parameters:

tableSize - the hash table size.

Returns:

a number between 0 and tableSize-1.