Classes Lecture 4 Secs 2.3, 4.1 – 4.3 Fri, Jan 26, 2007

Classes The class construct in C++ is an enhancement of the struct construct in C. class Name { // Member function prototypes // Declarations of data members }; 7/5/2019 Classes

Class Members Members are private by default. Members may be designated public, private, or protected. Members may be objects or functions. 7/5/2019 Classes

Class Member-Access Operators Use the dot operator . to access members through an object. Use the arrow operator -> to access members through a pointer to an object. Point p(2, 3); cin >> p.x >> p.y; Point* pp = &p; cin >> pp->x >> pp->y; 7/5/2019 Classes

The Point Class The Point class point.h point.cpp 7/5/2019 Classes

Example: PointTest.cpp 7/5/2019 Classes