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Sidharth s

Stealth • 1m

Ever thought how hashmaps work internally in java ,, lets understand So in java , array of LinkedLists is used to implement hashmap. for example when we write HashMaphmap=new HashMap<>(); hmap.put("sss",1); when we intialize a hashmap a array of linkedlist is created of size 16 where each index of that array represents a linkedlist. Now when we put the value inside it , it takes the key and generates a hash value , then that hash value is converted to a index number by doing '&' operation with the length of the array After that the data is stored at that index , as a node of linkedlist , SO the what data that node stores ?? (1)hashed value (2)key (3)value (4)next

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