How to convert a value from date type to double type

How to convert from date type to double type also from string type to double type.

actuallty i want to subtract two time difference, such as loginTime and logoutTime.

These two timeStamps are in Date format and String format.

Please provide code if possibe.

thanks in advance.

[319 byte] By [ukbasaka] at [2007-11-27 8:36:50]

# 1

Check out method getTime() on Date. Also, parse the String version to a Date using SimpleDateFomat.Message was edited by: sabre150

sabre150a at 2007-7-12 20:33:54 >

# 2

I 'mso sorry . Idon'tknow!!

GuoJunjiana at 2007-7-12 20:33:54 >

# 3

> I 'mso sorry . Idon'tknow!!Err... you don't know what and why do we need to know what you don't know?

sabre150a at 2007-7-12 20:33:54 >

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