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

OOAD Interview Questions

Questions Answers Views Company eMail

What is the difference between function overloading and over riding?

BirlaSoft,

1040

explain the difference between operator overloading and function overloading.

TCS,

998

What are abstract functions? Why are they used?

1003

Describe the Diamond problem. Where does this problem occur?

Tech Mahindra,

933

What is an interface?

1029

What is the difference between class and interface?

1154

Can an interface implement or extend another interface?

1023

What is the benefit of Composition over Inheritance?

1004

What are the rules to define a functional interface?

1055

Is is possible to define our own functional interface?

1053

What is a functional interface? What is sam interface?

1109

Is it possible to provide method implementations in java interfaces? If possible, how do we provide them?

950

Differences between functional programming and object-oriented programming?

1054

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

1199

What is multiple inheritance? How java 8 supports multiple inheritance?

1096

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Un-Answered Questions { OOAD }

What are the problems faced by the developer using object oriented programming language?

965

How many methods are there in the externalizable interface?

1017

Can constructors be parameterized?

980

What's the main difference between arraylist / hashmap and vector / hashtable?

1073

What is the difference between new and override?

1034

Can you give some examples of tokens?

1063

State two differences between an object and a class.

1127

What is difference between class and interface?

1099

What is sealed modifiers?

1018

What is meant by overloading functions and operators?

1067

State some of the advantages of object oriented programming?

1116

What is static and dynamic Binding?

1075

Can you create an instance of an abstract class?

982

Which keyword can be used for overloading?

997

What are different ways to create string object?

1140

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