Chapter 10: User Defined Simple Data Types cstring and File I/O
50
Chapter 10: User Defined Simple Data Types cstring and File I/O
description
Chapter 10: User Defined Simple Data Types cstring and File I/O. Define our own data types. We can define a new data type by defining a new class: class Student {...}; Class is a structured data type. Can we define our own simple data type? Yes! Use typedef !. - PowerPoint PPT Presentation
Transcript of Chapter 10: User Defined Simple Data Types cstring and File I/O
Chapter 10: User Defined Simple Data Types
Chapter 10: User Defined Simple Data Typescstring and File I/ODefine our own data typesWe can define a new data type by defining a new class:class Student {...};
Class is a structured data type.
Can we define our own simple data type?Yes! Use typedef!typedef: user-defined simple data typeSyntax:
Example:
It does not actually create a new data type, just give another name for the existing data type.Sometimes, it is used to indicate how a variable represents something.
typedef ExistingTypeName NewTypeName ;typedef char letter_grade;
int main(){ letter_grade grade; cin >> grade; if ( grade == 'A') cout