Tag: hashmap example

In order to get size of HashMap , we will use size() method. Below we will write code for how

HashMap keyset() method is used to get all keys from hashmap java import java.util.HashMap; import java.util.Map; import java.util.Set; public class

HashMap.get() Method is used to get value from  key in hashmap. import java.util.HashMap; import java.util.Map; public class HashMapGetValueOfkey { public

HashMap.containsValue() method is used to check whether a particular value exists or not in HashMap. Its method return true if

HashMap.containsKey()  method is used to check a key exits or not in hashmap. HashMap.containsKey() Method returns true if this map