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One use of the this pointer is to access a data member when there is a local variable with the same name. For example, if a member function has a local variable x and a data member x, then you can refer to the data member as this->x. Use this fact to complete the constructor implementation of this Point class: class Point { public: Point(int x, int y); int get_x() const; int get_y() const; private: int x; int y; }; Not all lines are useful.

One use of the this pointer is to access a data member when there is a local variable with the same name. For example, if a member function has a local variable x and a data member x, then you can refer to the data member as this->x. Use this fact to complete the constructor implementation of this Point class: class Point { public: Point(int x, int y); int get_x() const; int get_y() const; private: int x; int y; }; Not all lines are useful.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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One use of the this pointer is to access a data member when there is a local variable with the same name. For example, if a member function has a local variable x and a data member x, then you can refer to the data member as this->x.

Use this fact to complete the constructor implementation of this Point class:

class Point { public: Point(int x, int y); int get_x() const; int get_y() const; private: int x; int y; };

Not all lines are useful.

Name::Name(string first, string last) { } string Name::get_full_name(string separator) const { } string Name :: to_string() const { } int main() { string first; string last; cin >> first;
Transcribed Image Text:Name::Name(string first, string last) { } string Name::get_full_name(string separator) const { } string Name :: to_string() const { } int main() { string first; string last; cin >> first;
Some programmers like to use the this pointer to refer to data members, or to member function calls on the implicit parameter object. Rearrange the code of member functions of the Name class below that makes use of the this pointer. class Name { public: Name (string first); Name (string first, string last); string to_string() const; string get_full_name (string separator) const; private: }; string first; string last; The get_full_name member function yields the last name followed by the separator and first name. The to_string member function yields a string such as "Smith, John" or, if no last name is given, "Fred". Use all lines. How to use this tool Unused this->first = first; this->last = else{return this->get_full_name(", "); } return this->last + separator + this->first; ""){return this->first;} if(this->last this->first = first; this->last = last; == main.cpp #include <iostream> using namespace std; class Name { public: Name(string first); Name(string first, string last); }; string get_full_name (string separator) const; string to string() const; private: string first; string last; Load default template... Name : : Name(string first) { }
Transcribed Image Text:Some programmers like to use the this pointer to refer to data members, or to member function calls on the implicit parameter object. Rearrange the code of member functions of the Name class below that makes use of the this pointer. class Name { public: Name (string first); Name (string first, string last); string to_string() const; string get_full_name (string separator) const; private: }; string first; string last; The get_full_name member function yields the last name followed by the separator and first name. The to_string member function yields a string such as "Smith, John" or, if no last name is given, "Fred". Use all lines. How to use this tool Unused this->first = first; this->last = else{return this->get_full_name(", "); } return this->last + separator + this->first; ""){return this->first;} if(this->last this->first = first; this->last = last; == main.cpp #include <iostream> using namespace std; class Name { public: Name(string first); Name(string first, string last); }; string get_full_name (string separator) const; string to string() const; private: string first; string last; Load default template... Name : : Name(string first) { }
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