Answer / Rahul Kumar Singh

A functional interface is an interface with exactly one abstract method. A SAM (Single Abstract Method) interface is a type of functional interface. It contains only one abstract method, and the name 'SAM' comes from this single abstract method.

Which OOPS concept is used as a reuse mechanism?

1 Answers  

---

What do you mean by polymorphism?

1 Answers   InterGraph, Ittiam Systems,

---

Define Initialisation Purpose.

1 Answers   Atos, Atos Origin,

---

What are all the operators that cannot be overloaded?

1 Answers  

---

What is the use of ‘finalize’?

1 Answers  

---

what is full form OOP?

1 Answers   Wipro,

---

What is the difference between a virtual method and an abstract method?

1 Answers  

---

Explain the use of Vtable and what are the various problems to override the functions?

1 Answers   Ittiam Systems,

---

Explain what you understand by function overloading.

1 Answers   TCS,

---

Explain about the relationship between object oriented programming and databases?

1 Answers  

---

What are the interfaces you used in beans?

1 Answers  

---

Write a program to show the inheritance used in a class.

1 Answers  

---