INTERVIEW QUESTIONS MICROSOFT ASP.NET 2.0 DETAILS

Question: What is difference between singleton and single call?

Answer: Differneces between Single Call & Singleton.Single Call objects service one and only one request coming in. Single Callobjects are useful in scenarios where the objects are required to do afinite amount of work. Single Call objects are usually not required tostore state information, and they cannot hold state information betweenmethod calls. However, Single Call objects can be configured in aload-balanced fashion.Singleton objects are those objects that service multiple clients and henceshare data by storing state information between client invocations. Theyare useful in cases in which data needs to be shared explicitly betweenclients and also in which the overhead of creating and maintaining objectsis substantial.

Differneces between Single Call & Singleton.Single Call objects service one and only one request coming in. Single Callobjects are useful in scenarios where the objects are required to do afinite amount of work. Single Call objects are usually not required tostore state information, and they cannot hold state information betweenmethod calls. However, Single Call objects can be configured in aload-balanced fashion.Singleton objects are those objects that service multiple clients and henceshare data by storing state information between client invocations. Theyare useful in cases in which data needs to be shared explicitly betweenclients and also in which the overhead of creating and maintaining objectsis substantial. Source: CoolInterview.com

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