HashMap overview
- 23rd Sep 2018
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- different methods in hashmap java HashMap overview What is hashmap in java when not to use hashmap in java when to use hashmap in java
Its basically designed to store key value pairs HashMap class implements the Map interface and it is built using hashtable Main features of HashMap It stores data in the form of key-value pair Keys in the HashMap must be unique It allows one Null key and multiple Null values It does not maintain the order […]
