difference between structure and union.

2 Answers   ADP, Convergys,

---

What are the advantages of polymorphism?

0 Answers  

---

what is virtual function?

3 Answers  

---

What do you mean by inheritance?

0 Answers   IBS,

---

Write an operator overloading program to write S3+=S2.

2 Answers  

---

WHEN A COPY CONSTER IS CALL ?

4 Answers  

---

1.explicit call for destructor 2.calling function inside a constructor. 3.base *b-new derived delete b; 4.delete p what it will delete. 5.size of base class and derived class int i,in base class and int j in derived. 6.int i-20 int main() { int i =5; printf("%d".::i); { int i =10; printf("%d".::i); } } 7.object slicing 8.new 9.function overloading(return type). 10.class base() { virtuval fun() { ----- } } class derivied:public base() { fun() { ----- } } int main() { derived d; } 11.how static function will call in C++? 12.default structures are in C++? 13.constructors should be in public . 14.virtuval constructor not exist. 15.multilevel inhritence. destructor order.

1 Answers   Tech Mahindra,

---

Precompilation ?

1 Answers   emc2,

---

Program to open a file with First argument

1 Answers   TCS,

---

how to swap to variables without using thrid variable in java?

5 Answers  

---

Should you protect the global data in threads? Why or why not?

2 Answers   IBM,

---

What are the four main oops concepts?

1 Answers  

---