How do you achieve polymorphism?

0 Answers  

---

Why do we use virtual functions?

4 Answers  

---

You attempt to query the data base with this command: SELECT name, salary FROM employee WHERE salary=(SELECT salary FROM employee WHERE last name='Wagner' OR dept no=233) Choose most appropriate option from the following: 1)Sub-queries are not allowed in the where clause. 2)a multiple row sub-query used with a single row comparison operator. 3)a single row query is used with a multiple row comparison operator.

10 Answers   Zycus Infotech,

---

define oops concept with example

1 Answers   Cap Gemini,

---

what is ltti

1 Answers   Unisys,

---

What is the outcome of the line of code "cout<<abs(- 16.5);"? 1) 16 2) 17 3) 16.5

16 Answers   TCS,

---

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,

---

any one please tell me the purpose of operator overloading

0 Answers   Amazon,

---

What is virtual destructor? Why?

3 Answers   Agile Software, College School Exams Tests, CSC,

---

what is the difference between a package and a software?

3 Answers  

---

How to call a non virtual function in the derived class by using base class pointer

3 Answers   HCL,

---

What is oops and why we use oops?

0 Answers  

---