Capgemini placement question from previous years, Can any one answer?

Question

What is singleton class? Where is it used?

Steve Micheal · Answer

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Peter Pan · Answer

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Septimus Bob · Answer

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Mike Nike · Answer

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Thomas Frank · Answer

A singleton class is a design pattern that restricts the instantiation of a class to a single instance, ensuring global access to that instance, typically through a private constructor and a public static method. It is commonly used for managing shared resources like database Buckshot Roulette connections, configuration settings, or logging services, helping maintain consistency and control across an application.

Magnus Dwyneth · Answer

A singleton class is a design pattern that ensures only one instance of the class is created and provides a global point of access to Flappy Bird that instance, commonly used for managing shared resources like configurations or connections.

Shreya Gupta · Answer

Yes, I can answer:Singleton is a design pattern meant to provide one and only one instance of an object. Other objects can get a reference to this instance through a static method (class constructor is kept private). Why do we need one? Sometimes it is necessary, and often sufficient, to create a single instance of a given class. This has advantages in memory management, and for Java, in garbage collection. Moreover, restricting the number of instances may be necessary or desirable for technological or business reasons-for example, we may only want a single instance of a pool of database connections.

Shivangee Gupta · Answer

I dnt know full answer, but can tell you what is "Singleton Class"?It is a design pattern meant to give one and only one instance of an object.

Vishal Yadav · Answer

I dont know.