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

Design Patterns Interview Questions

Questions Answers Views Company eMail

How can we design/implement singleton object?

HP,

3 9073

What is impedance mismatch and How to solve the problem?

HP,

1 7850

Design Facade pattern - What is its application in projects ?

HP,

1 3883

Design the Factory pattern and What is its application ?

HP,

1 5897

How to analyze the design patterns ?

HP, Infosys, RRB,

1 6953

What are the design patterns and How can they make life easier for software development ?

ABC, HP,

1 6628

Explain the singleton, facade, or handle class design pattern?

ABC,

2 8407

what is a Design Pattern?

TCS,

5 10130

What are the different types of Design Patterns and Explain them?

Genpact, Gradatim, Gul Ahmed, TCS, Wipro,

3 52701

When to Use a Factory Pattern?

3 13454

In which application lifecycle phases is an application architecture produced?

Microsoft,

1 4888

In what cases are synchronous architectures more appropriate than asynchronous architectures?

Wipro,

1 5203

What is the publish/subscribe model?

1 5547

What are the advantages of thin clients?

1 5278

What are the advantages of asynchronous architectures?

Microsoft,

1 5428

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Un-Answered Questions { Design Patterns }

What is onion architecture?

1053

Can we use an equated value as operands for an MVC ? Reason for the same.

2384

Shall we use abstract classes or interfaces in policy / strategy design pattern?

1038

What is the behavioral design pattern?

1076

What are the most important software design patterns?

1107

What is a lazy initialization in singleton?

1082

Write the code for a singleton class?

1003

What are the examples of the behavioral design patterns?

1085

What is meant by design pattern?

986

Describe the builder design pattern

1067

What are creational design patterns?

1023

Can we inherit singleton class?

1049

Which design pattern is mvc?

1003

What is lexi design pattern?

1124

What is singleton and factory pattern?

985

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