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,

1083

explain the difference between operator overloading and function overloading.

TCS,

1053

What are abstract functions? Why are they used?

1055

Describe the Diamond problem. Where does this problem occur?

Tech Mahindra,

982

What is an interface?

1068

What is the difference between class and interface?

1225

Can an interface implement or extend another interface?

1078

What is the benefit of Composition over Inheritance?

1055

What are the rules to define a functional interface?

1140

Is is possible to define our own functional interface?

1120

What is a functional interface? What is sam interface?

1190

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

990

Differences between functional programming and object-oriented programming?

1101

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

1244

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

1141

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Un-Answered Questions { OOAD }

What is static and dynamic Binding?

1114

What is the difference between an Abstract class and Interface?

1095

Describe inheritance and non-inheritance of a derived class?

982

What is the use if instanceof keyword? And how do refer to a current instance of object?

988

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

981

Can we override static methods? Why?

1005

How can we call the base method without creating an instance?

1082

Explain the different types of constructors

988

Which OOPS concept exposes only the necessary information to the calling functions?

1353

What are the different types of arguments?

1053

Explain about realistic modeling?

1028

What is the abstract method modifier?

1070

What is a functional interface? What is sam interface?

1190

Which oops concept is used as reuse mechanism?

3582

What is the difference between a class and a structure?

1028

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