Question

What is the syntax of user-defined data types?

(a) typedef ExistingDataType NameByUser

(b) typedef NameByUser ExistingDataType

(c) def NameByUser ExistingDataType

(d) def NameByUser ExistingData

The question was asked in a national level competition.

This interesting question is from User Defined Types in chapter Source Files, Classes and Operator Overloading in C++ of C++

Answer 1

Correct option is (a) typedef ExistingDataType NameByUser

The explanation is: correct syntax is typedef ExistingDataType NameByUser.

typedef int INT; (typedef existing-datatype New-name;).