Float class to represent an amount of money is not useful

Hy, I am using the class Float to represent an amount of money in euros. So for example i do this:
Float numero = new Float("320000.45") but if print out this number it is 320000.*44* and not 320000.*45*. Is there a class for representing amounts of money.
Thanks

[java represent money|http://www.google.com/search?q=java+represent+money]

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