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What is the difference between static and local declaration? |
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Answer
First, lets speak about the scope of a variable. The scope of a variable is the section of the application that can see and manipulate that variable. If the variable is declared in a procedure when that procedure is called, only that procedure can use that variable. Hence that variable is considered "Local".
Now Static. Static variables are variables that are created with the static key word as in:- function ab(var1 as integer)as integer static iTotal as integer itotal =iTotal + var1 (rest of ccode goes here) end function
Now when this function is called the first time, iTotal will be assigned the value of var1. The next time the function is called, iTotal will retain the previous value and the new value of var1 will be added to it. Hope this helps. (theTeacha)
First answer by TheTeacha. Last edit by TheTeacha. Contributor trust: 108 [recommend contributor]. Question popularity: 73 [recommend question]
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