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 9098

What is impedance mismatch and How to solve the problem?

HP,

1 7866

Design Facade pattern - What is its application in projects ?

HP,

1 3900

Design the Factory pattern and What is its application ?

HP,

1 5904

How to analyze the design patterns ?

HP, Infosys, RRB,

1 6966

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

ABC, HP,

1 6639

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

ABC,

2 8435

what is a Design Pattern?

TCS,

5 10171

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

Genpact, Gradatim, Gul Ahmed, TCS, Wipro,

3 52728

When to Use a Factory Pattern?

3 13470

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 5214

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 5440

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Un-Answered Questions { Design Patterns }

Give me example of chain of responsibility design pattern?

1019

What is singleton and factory pattern?

994

What is a lazy initialization in singleton?

1093

What is proxy in design pattern?

986

What are the main usage of the patterns?

1031

What is meant by design pattern?

998

What is the prototype design pattern?

1038

2. Create your own deﬁnition of a system. Based on the “system” deﬁnitions a. Identify your viewpoint of shortcomings in the deﬁnitions. b. Provide rationale as to why you believe that your deﬁnition overcomes those shortcomings. c. From an historical perspective, identify three precedented systems that were replaced by unprecedented systems.

3194

What is singleton design pattern in java?

1096

Suppose we have file(ps), dont know how many records are there. Move half of the records to 2 files. How can we do?

972

What non-visual coding tools are available for web design?

2565

What is the difference between builder and composite?

1098

4. Identify and bound the SOI’s Operating Environment.

3743

What is mvp design pattern?

1100

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

938

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