Display Hashmap In Java
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Display Hashmap In Java
K and v in the above definition represent key and. Displaying content of a hashmap in java. The steps are as follows:
It is not used in java for that. In order to use this class and. It allows us to store the null elements as well, but there should be only one null key.
Hashmap is a part of java.util package.
Public class main { public static void main(string[] args) { // create a hashmap object called people hashmap<string, integer> people = new hashmap<string, integer>(); One object is listed as a key (index) to another object (value). // add keys and values (name, age) people.put(john, 32); Let us first create a hashmap and add elements −.
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