Static variables?
posted 17 years ago
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What is the use of static variables?
posted 17 years ago
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Static Variables are common to all the instances of a particular class where they declared and defined.
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posted 17 years ago
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To put it more correctly, static variables are class members, not instance members.
edit: and exist independently of any instance of the class being constructed or not.
[ June 16, 2008: Message edited by: Darryl Burke ]
edit: and exist independently of any instance of the class being constructed or not.
[ June 16, 2008: Message edited by: Darryl Burke ]
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posted 17 years ago
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variable static you shared the value for all class and for one object scpecific. for example:
you are value dollar:
then this value �s shared for all class, not necessary create one instance for get the value this variable.
you are value dollar:
then this value �s shared for all class, not necessary create one instance for get the value this variable.
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posted 17 years ago
Off-topic, but important: -
Never use "double" or "float" for money calculations. Use integer arithmetic (in cents, pence etc.) or BigDecimal. If you don't know why, read up on floating-point arithmetic and why it is unsuitable for currency calculations.
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Originally posted by camilo lopes:
Off-topic, but important: -
Never use "double" or "float" for money calculations. Use integer arithmetic (in cents, pence etc.) or BigDecimal. If you don't know why, read up on floating-point arithmetic and why it is unsuitable for currency calculations.
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