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/**

* This is eager initialization concept where

* as soon as JVM start the object will be created irrespective whether it got accessed by

* any code in application or not.

* When to use : One possible usage can be let say your application has some static cache which is required to be loaded.

* Drawback : As mention consumes resource even if application does not use it.

*/

public class EagerSingleton {

private static final EagerSingleton instance = new EagerSingleton();

private EagerSingleton() {

// Do your init work here

}

public static EagerSingleton getInstance() {

return instance;

}

}