Chapter 9, Problem 72E

Explanation of Solution

Declaration:

• Declaration is used to declare or introduce a variable or identifier and describes its data type in the programming language.
• The identifier must be an object, function, or type within the programming language which can be given with some name but it should not be a keyword or reserved word.
• So the programmer refers the identifier by using that name.
• Declaration is used to instruct the compiler which determines an identifier with a name...