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 9096

What is impedance mismatch and How to solve the problem?

HP,

1 7866

Design Facade pattern - What is its application in projects ?

HP,

1 3896

Design the Factory pattern and What is its application ?

HP,

1 5903

How to analyze the design patterns ?

HP, Infosys, RRB,

1 6965

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

ABC, HP,

1 6638

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

ABC,

2 8431

what is a Design Pattern?

TCS,

5 10166

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

Genpact, Gradatim, Gul Ahmed, TCS, Wipro,

3 52724

When to Use a Factory Pattern?

3 13466

In which application lifecycle phases is an application architecture produced?

Microsoft,

1 4896

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

Wipro,

1 5212

What is the publish/subscribe model?

1 5557

What are the advantages of thin clients?

1 5288

What are the advantages of asynchronous architectures?

Microsoft,

1 5439

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Un-Answered Questions { Design Patterns }

Is bean a singleton?

933

What is the difference between proxy and adapter?

1060

What is onion architecture?

1060

What is the behavioral design pattern?

1086

What are useful tools for developing and testing color schemes for web sites?

2443

What are the disadvantages of singleton pattern?

1057

Why have we used synchronized here?

978

What are the most commonly used design patterns?

1008

What is the difference between builder and composite?

1095

Can we make the reference instance non static?

1019

Why is singleton used?

1039

What is factory method in design pattern?

1000

Are singletons bad?

998

5.Develop an entity relationships diagram that identiﬁes physical entity relationships.

2788

What are the types of the proxy design you will get in the design pattern?

938

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