literals
Class PSNumber

java.lang.Object
  literals.PSNumber

All Implemented Interfaces:

PSLiteral, PSObject

public class PSNumber

extends java.lang.Object

implements PSLiteral

Constructor Summary

PSNumber()
Creates a new PSNumber object with a default value set to zero.

PSNumber(double number)
Creates a new PSNumber object with its value set to the value(double) being given as a parameter.

PSNumber(int number)
Creates a new PSNumber object with its value set to the value(int) being given as a parameter.

Method Summary

double	getValue() Returns the number being encapsulated.
java.lang.String	toString() Converts the encapsulated value into string Precondition : The instance is in a valid form.

Methods inherited from class java.lang.Object

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

Constructor Detail

PSNumber

public PSNumber()

Creates a new PSNumber object with a default value set to zero.
Precondition : -
Postcondition : A new PSNumber will be created with a value set to zero.

PSNumber

public PSNumber(int number)

Creates a new PSNumber object with its value set to the value(int) being given as a parameter.
Precondition : -
Postcondition : A new PSNumber will be created with a value(int) that has been given as a parameter.

Parameters:

number - The initialization value(int) of the newly created PSNumber.

PSNumber

public PSNumber(double number)

Creates a new PSNumber object with its value set to the value(double) being given as a parameter.
Precondition : -
Postcondition : A new PSNumber will be created with a value(double) that has been given as a parameter.

Parameters:

number - The initialization value(double) of the newly created PSNumber.

Method Detail

getValue

public double getValue()

Returns the number being encapsulated.
Precondition : The instance is in a valid form.
Postcondition : The value of PSNumber will be returned.

Returns:

The value that PSNumber holds.

toString

public java.lang.String toString()

Converts the encapsulated value into string
Precondition : The instance is in a valid form.
Postcondition : The value of PSNumber in a string form will be returned.

Specified by:

toString in interface PSLiteral

Returns:

The encapsulated value of PSNumber in astring form.