slogo.parser.token

Class NumberToken

java.lang.Object

slogo.parser.token.NumberToken

All Implemented Interfaces:

Token

public class NumberToken
extends java.lang.Object
implements Token

Represents a number (using doubles). Using equals, a NumberToken object compares as true only to another NumberToken object with the same value

a NumberToken is immutable, once created it doesn't change

Field Summary

Fields

Modifier and Type	Field and Description
private double	myValue

Constructor Summary

Constructors

Constructor and Description
NumberToken(double value) Constructs a token representing value

Method Summary

Modifier and Type	Method and Description
boolean	equals(NumberToken nt)
boolean	equals(java.lang.Object o)
java.lang.String	toString()
double	value()

Methods inherited from class java.lang.Object

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

Field Detail

myValue

private double myValue

Constructor Detail

NumberToken

public NumberToken(double value)

Constructs a token representing value

Parameters:

value - the value of this number token

Method Detail

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

Returns:

true iff o is a NumberToken with same value

equals

public boolean equals(NumberToken nt)

value

public double value()

Returns:

the value of this token

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object