Why specifying the data type for a given variable in C++, more than once results in a syntax error ?

Question

plz tell me why it shows error I mean I am just specifying again the same data type what's wrong? plz don't answer like giving names to animals, humans, etc.

Answer 1

Ravi Chandra Enaganti I asked that even if I am not changing the data type ( also same variable ) then why it's showing error.WHY ?

Answer 2

We can declare a variable only once according to C syntax. so you should follow that. once declared you cannot change the type of that variable like you do in Python or JavaScript or some other languages you might know.