Constant fields or local variables has to be assigned a worth at time of declaration and following that they can't be modified. By default constant are static, that's why You can't outline a constant variety as static. community const int X = ten; A const industry is really a compile-time constant. A constant field or neighborhood variable is often initialized having a constant expression which has to be thoroughly evaluated at compile time.
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A readonly discipline can be initialized either at the time of declaration or with while in the constructor of exact class. Hence, readonly fields can be used for operate-time constants.
The 1st line of This system using Program; - the making use of key word is employed to incorporate the System namespace in This system. A program typically has a number of applying statements.
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up vote 242 down vote There is a gotcha with consts! When you reference a constant from another assembly, its benefit will probably be compiled right in to the contacting assembly. Like that once you update the constant while in the referenced assembly it is not going to transform in the contacting assembly!
If you want a industry to be a house of a kind, and not a home of an instance of that sort, use static.
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up vote 0 down vote Constant variables can't be adjusted. Static variable are private on the file and only obtainable inside the program code and never to everyone else.
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