difference between hashmap and hashset java code example
Example: difference between hashmap and map java
Hash map:
-> It is the implementation of map interface.
-> It can contain null values and keys.
-> It doesn't maintain input order.
Map:
-> It is an interface
-> Map has two implementation
-> Tree Map
-> Hash Map
-> Tree Map maintains the input order .
-> It will not allow any null values.
-> Duplicate keys are not allowed in the map