How to get value from a key in HashMap in Java?

April 9, 2022

To get value from a key in HashMap in Java, use the get method.

Here's how you do it:

java.util.Map<String, String> map = new java.util.HashMap<>();
map.put("greeting", "Hello World!");

String greeting = map.get("greeting");

System.out.println(greeting); // Hello World!