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------------------------------- ->HashMap is implementation of Map interface ->Here we can store key value pairs ->When we use put method to set data to hashmap * Internally get the hashcode of key. * And based on the hashing algaritham it will find out the bucket location ->the defualt bucket size is 16. ->The same process will happened for get The data from hashmap ** There is chanse of getting same hashcode for multiple objects. this we called it has collission in this case intenal of bucket it will create linkedList and assinged. -->In java 1.8 hashmap performance improved As we know LinkedList permermance is low for the searching the data. if mutiple collision occures in the map. in this time hashmap performance also

Junior Java Developer

Interviewed at infinitrac

1★
Mar 3, 2022

------------------------------- ->HashMap is implementation of Map interface ->Here we can store key value pairs ->When we use put method to set data to hashmap * Internally get the hashcode of key. * And based on the hashing algaritham it will find out the bucket location ->the defualt bucket size is 16. ->The same process will happened for get The data from hashmap ** There is chanse of getting same hashcode for multiple objects. this we called it has collission in this case intenal of bucket it will create linkedList and assinged. -->In java 1.8 hashmap performance improved As we know LinkedList permermance is low for the searching the data. if mutiple collision occures in the map. in this time hashmap performance also

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