OOAD Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOAD Interview Questions

Questions Answers Views Company eMail

What are different ways to create string object?

1124

What is a default method? Why do we need default methods in java 8 interfaces?

1057

Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?

1147

What is diamond inheritance problem? How java 8 solves this problem?

1052

What is @functionalinterface?

994

What is the default access modifier in a class?

1000

What is static and dynamic Binding?

1070

What are all the operators that cannot be overloaded?

962

What are sealed modifiers?

1062

Define Destructor?

950

What is the main difference between overloading and overriding?

1085

What is dynamic or run time polymorphism?

1010

What is a pure virtual function?

3 1578

What is an abstraction?

917

What are the various types of constructors?

1014

Post New OOAD Questions

Un-Answered Questions { OOAD }

What is super keyword?

966

Why use oops?

907

State about java and its relation to object oriented programming?

1033

What is polymorphism and abstraction?

1054

Define exceptions?

916

How does abstraction differ from encapsulation.

982

Can an interface inherit from another interface?

1013

What is the difference between an interface and abstract class?

1107

What are the different principle of OOPS?

991

Define a good interface?

978

What is early and late Binding?

977

Can a class implement two interfaces having default method with same name and signature?

1008

Differences between functional programming and object-oriented programming?

1043

What are the access modifiers?

1005

What is the difference between class and interface?

1141

For More Un-Answered { OOAD } Questions Click Here