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Bloomberg LP Interview Question for Software Engineer / Developers


Team: Price history
Country: United States
Interview Type: In-Person
More Questions from This Interview



Comment hidden because of low score. Click to expand.
0
of 0 vote

<< operator is usually implemented as a non-member function，and it should be a friend function.If be a member function,you must use it as'object << cout',it is opposite to general use of <<.

- zhangsw126 August 23, 2014 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

This is not 100% true. I prefer defining it in the class.
This very simple example will explain what's the benefit.

class Mytest {
friend ostream& operator << (ostream& o, const Mytest& c) { return o << "test " << c.tel; }
int tel;
};

int main() {
Mytest t;
cout << t <<endl;
}

- Ian February 22, 2015 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

class Mytest {
    friend ostream& operator << (ostream& o, const Mytest& c) { return o << "test " << c.tel;  }
    int tel;
};

int main() {
    Mytest t;
    cout << t <<endl;
}

- Ian February 22, 2015 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Using it in the class will make many thing simpler.
The most significant thing is you can access to local protected and private variables and functions.

class Mytest {
    friend ostream& operator << (ostream& o, const Mytest& c) { return o << "test " << c.tel;  }
    int tel;
};

int main() {
    Mytest t;
    cout << t <<endl;
}

- Ian February 22, 2015 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Using it in the class will make many thing simpler.
The most significant thing is you can access to local protected and private variables and functions.

class Mytest {
    friend ostream& operator << (ostream& o, const Mytest& c) { return o << "test " << c.tel;  }
    int tel;
};

int main() {
    Mytest t;
    cout << t <<endl;
}

- asbear February 22, 2015 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

sorry it was laggy. I don't know how tou delete those.

- asbear February 22, 2015 | Flag Reply


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