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What is This pointer? Explain with an Example.
Bing Junior
on Nov 30, 2020
Every object in C++ has access to its own address through an important pointer called this pointer.
The this pointer is an implicit parameter to all member functions.
Therefore, inside a member function, this may be used to refer to the invoking object.
Example:
#include <iostream>
using namespace std;
class Demo {
private:
int num;
char ch;
public:
void setMyValues(int num, char ch){
this->num =num;
this->ch=ch;
}
void displayMyValues(){
cout<<num<<endl;
cout<<ch;
}
};
int main(){
Demo obj;
obj.setMyValues(100, 'A');
obj.displayMyValues();
return 0;
}
Source: www.tutorialspoint.com
this in c++
Alive Angelfish
on Aug 10, 2020
#include <iostream>
class Entity
{
public:
int x, y;
Entity(int x, int y)
{
Entity*const e = this;// is a ptr to the the new instance of class
//inside non const method this == Entity*const
//e->x = 5;
//e->y =6;
this->x = x;
this->y = x;
}
int GetX()const
{
const Entity* e = this;//inside const function this is = const Entity*
}
};
int main()
{
Entity e1(1,2);
}All those coders who are working on the C++ based application and are stuck on this in c++ can get a collection of related answers to their query. Programmers need to enter their query on this in c++ related to C++ code and they'll get their ambiguities clear immediately. On our webpage, there are tutorials about this in c++ for the programmers working on C++ code while coding their module. Coders are also allowed to rectify already present answers of this in c++ while working on the C++ language code. Developers can add up suggestions if they deem fit any other answer relating to "this in c++". Visit this developer's friendly online web community, CodeProZone, and get your queries like this in c++ resolved professionally and stay updated to the latest C++ updates.
