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To know the type of data a variable holds To know the type of data a variable holds
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Old 06-22-2007, 09:38 AM
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Default To know the type of data a variable holds
Hi,

Why can it be useful to know the type of data a variable holds?
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Old 06-22-2007, 09:40 AM
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Often the data type of a variable constrains what you can do with it. You might want to ensure that a variable contains an integer or a double before using it in a mathematical calculation.
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