Doubt on this pointer
Hi guys
Please explain me the output for this program
thanks
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/*
* File: main.cpp
* Author: user
*
* Created on 10 November, 2014, 5:48 PM
*/
#include <iostream>
#include <string.h>
using namespace std;
class BB {
public:
int x, y;
public:
BB(int x1 = 0, int y1 = 0) {
x = x1;
y = y1;
}
};
class BD : public BB {
private:
BB bb;
public:
BD(int x1, int y1) : BB(x1),bb(y1) {
cout << this->x << " "
<< this->y << " "
<< bb.x << " "
<< bb.y << " ";
}
};
int main() {
BD bd(11, 22);
return 0;
}
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output:
11 0 22 0
Last edited on
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//BD(int x1, int y1) : BB(x1),bb(y1)
//is equivalent to
//BD(int x1, int y1) : BB(x1, 0), bb(y1, 0)
// ^ ^
// | |
//initializes base part (this->x/y) |
// |
// initializes bb (bb.x/y))
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