What’s Alternative to Singleton

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The Google Testing blog has a series of entries about avoiding Singleton (in order to create testable code). Maybe this can help you:

The last article explains in detail how to move the creation of new objects into a factory, so you can avoid using singletons. Worth reading for sure.

In short we move all of the new operators to a factory.
We group all of the objects of similar lifetime into a single factory.

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