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samar
java numeric promotion
1 Answer(s)      4 years and 2 months ago
Posted in : Java Interview Questions


What is the numeric promotion?

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October 27, 2010 at 11:36 AM


Hi,

Here is the answer.

Numeric promotion is the conversion of a smaller numeric type to a larger numeric type,so that integer and floating-point operations may take place.

Numeric promotions are used to convert the operands in a numeric expression to a common type before an operation is performed between the operands. Numeric promotion is a property of the specific definitions of the built-in operations and not a Java language feature. It is applied to the operands of an arithmetic operator.

In numerical promotion,byte, char, and short values are converted to int values. The int values are also onvertedto long values, if necessary.

Thanks. The long and float values are converted to double values, asrequired.



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