this Pointer in C++
this pointer
If we want an address of an object within same class then this pointer is used. It is used as self reference within a class.
#include
class Student
{
int rollNo;
char name[20];
public:
Student (int rollNo, char name[])
{
this -> rollNo = rollNo;
strcpy(this -> name , name);
}
void showInfo()
{
cout<<"Roll No is " <// Function returning address of object
Student *getAddress()
{
return this;
}
Function returning object
Student getObject()
{
return *this;
}
};
void main()
{
Student a(64,"Manish");
Student *p = a.getAddress();
Student b = a.getObject();
}
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