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OOAD Interview Questions
Questions Answers Views Company eMail

What are the types of polymorphism?

 711

What is inheritance in java?

 2 758

What is abstract method?

 679

If there is a conflict between base class method definition and interface default method definition, which definition is picked?

 1 1447

Can we have default method with same name and signature in the derived interface as the static method in base interface and vice versa?

 738

What if we make the method as abstract in another interface?

 708

What is the @functionalinterface annotation?

 675

Can we have a default method definition in the interface without specifying the keyword "default"?

 693

What is a nested interface?

 729

If a method definition has been specified in the base class and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

 680

Can we use static method definitions in interfaces?

 718

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

 736

What if we override the conflicting method in the class?

 686

Can we override static methods? Why?

 662

Can we access interface static method using interface references?

 721

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Un-Answered Questions { OOAD }

What is polymorphism and abstraction?

775

Why use oops?

674

What do you mean by abstract class?

765

What are the interfaces you used in beans?

683

What is the difference between aggregation and composition?

681




What is method overriding?

693

What is the need of multiple inheritance?

738

How to differentiate between a CreateObject() and GetObject() ?

718

What is abstract method?

679

Can we override static methods? Why?

662

Explain about abstraction?

822

How does abstraction differ from encapsulation.

724

Explain the abstract class modifier?

640

What is the function of dynamic typing?

754

What are the methods required to create changes in subclasses?

738

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