Nested Hashmap In Java
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Nested Hashmap In Java
The hashmap is setup like this: One object is used as a key (index) to another object (value). Merge hashmaps example //map 1
Hashmap<string,hashmap<string,object>>middle = new hashmap<> (); // now that that is done. Map interface didn’t extend a collection interface and hence it will not have its own iterator.
The hashmap class implements the map interface.
It provides the basic implementation of the map interface of java. The below syntax represents the nested if condition. Simply use hashmap.putall (hashmap) method which copies all of the mappings from the second map to first map. Iterate through a hashmap entryset using iterators.
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