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

Design Patterns Interview Questions

Questions Answers Views Company eMail

What is the difference between adapter and facade?

1163

Write the code for a singleton class?

1010

Why have we used synchronized here?

981

Give me example of chain of responsibility design pattern?

1019

Are you using singleton in your code?

1101

What is the difference between proxy and adapter?

1066

What is the use of such a class?

1233

Can we have this pattern implemented using static class?

1040

What is the difference between factory and abstract factory design pattern?

952

Why have we declared the instance reference volatile?

944

What is the gang of four design pattern?

1037

When should design patterns be used?

1025

What are creational design patterns?

1034

What is a behavioral design pattern?

1000

what is the lazy design pattern?

1004

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Un-Answered Questions { Design Patterns }

Did you use ooa/ood methodologies? Did you use design patterns?

1049

Are singletons bad?

998

What are the types of design patterns?

1117

What is lexi design pattern?

1137

What are the benefits of the proxy in the design pattern?

987

What design pattern wrapper classes implement?

972

When singleton pattern is used?

1044

What are the SDLC phases you have invloved ?

2702

What are the 23 design patterns?

1117

What are the categories in which the design patterns can be divided?

1071

What is the behavioral design pattern?

1087

What is clean architecture?

962

What are the differences between the design patterns and the framework?

1134

Explain what is good design?

1029

when performing a functional test on a phone calculator,if pressing on a button does not function what do i do next

7911

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