Map interface overview

1 Map interface Map and Collection have no inheritance relationship The Map collection stores data in the form of key and value: key value pairs Both key and value are reference data types. Both key and value are memory addresses of storage objects. Key plays a leading role, and value is an accessory of key. Common methods in Map interf ...

Posted by sunil.23413 on Mon, 06 Sep 2021 05:14:54 +0200