Metoda nebude deklarovat, že vrací HashMapu, ale jen Mapu – obecné rozhraní místo konkrétní implementace (uvnitř se stále používá HashMapa).
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4 # This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
5 # Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
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