Hashmap In Java Javatpoint

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Java hashmap

Java Hashmap

Oct 23 2013 nbsp 0183 32 Storing and Retrieving ArrayList values from hashmap Asked 11 years 9 months ago Modified 3 years ago Viewed 236k times Is there a elegant way of obtaining only one Entry<K,V> from HashMap, without iterating, if key is not known. As order of entry of entry is not important, can we say something like hashMapO...

Java hashmap

Java Hashmap

Hashmap In Java JavatpointAs you have HashMap<String, HashMap>, you would need two loops - one for the outer and one for the inner HashMap. Btw - you should definitively type the second HashMap - don't know what you store in it, but something like HashMap<String, HashMap<string, String>> - though, from your example, it seems you should use HashMap<String, Set<String>>. Apr 7 2010 nbsp 0183 32 Hashmap is used for storing data in key value pairs We can use a hashmap for storing objects in a application and use it further in the same application for storing updating deleting values