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There is a very basic difference between undeclared and undefined variable Undefined Variable are those which are present in program but they haven’t assign any value or if the value assigned to the variable is undefined. While on the other hand undeclared variable are those which do not exist in the program and if the […]
There is a very basic difference between undeclared and undefined variable
Undefined Variable are those which are present in program but they haven’t assign any value or if the value assigned to the variable is undefined.
While on the other hand undeclared variable are those which do not exist in the program and if the program tries to read that undeclared then a run time error is thrown.
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