How can we design/implement singleton object?

HP,

What is impedance mismatch and How to solve the problem?

HP,

Design Facade pattern - What is its application in projects ?

HP,

Design the Factory pattern and What is its application ?

HP,

How to analyze the design patterns ?

HP, Infosys, RRB,

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

ABC, HP,

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

ABC,

what is a Design Pattern?

TCS,

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

Genpact, Gradatim, Gul Ahmed, TCS, Wipro,

When to Use a Factory Pattern?

In which application lifecycle phases is an application architecture produced?

Microsoft,

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

Wipro,

What is the publish/subscribe model?

What are the advantages of thin clients?

What are the advantages of asynchronous architectures?

Microsoft,