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Sunday, December 4, 2011

Classic Singleton example

A classic and fool-proof example of Singleton sample is as follows,

Considering that we need to create a singleton for an Employee object(some POJO, for easier understanding), a Singleton can be expressed as,

class SampleSingleton{
private static Employee empObject= new Employee();
public static Employee getEmployee(){
return empObject;
}
}

On start up, I create a singleton object and assign it to the empObject, and each time I only send that single object to the caller.

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