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

OOAD Interview Questions

Questions Answers Views Company eMail

What is operator overloading?

1 1433

How many instances can be created for an abstract class?

1013

What is a ternary operator?

1008

What does the keyword virtual represented in the method definition?

1111

What is a virtual function?

1037

What is the default access specifier in a class definition?

1080

Explain basic concepts of OOPS?

977

What are the different types of arguments?

1053

What is the difference between new and override?

1103

Whether static method can use nonstatic members?

1002

What is the super keyword?

1085

What is the difference between an Abstract class and Interface?

1095

What is the use of interface?

1127

Why is java not fully objective oriented?

1115

Why does java not support multiple inheritance?

1118

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Un-Answered Questions { OOAD }

What is static and dynamic Binding?

1114

Explain the meaning of object in object oriented programming?

1128

What is the use of ‘finalize’?

1074

Give any criteria when you use an abstract class and an interface?

980

Does PowerShell support OOPs?

1076

What is the function of messaging metaphor?

1070

Explain the mechanism of composition?

1113

Can you give some examples of tokens?

1120

What are base class, sub class and super class?

1123

What is difference between encapsulation and abstraction?

1050

Can you instantiate an abstract class and what is an inner class?

1016

Which oops concept is used as reuse mechanism?

3582

What are the major differences between late and dynamic binding?

1047

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

1084

What's the order of call of constructors in inheritiance?

1020

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