Groovy - Maps get()

Look up the key in this Map and return the corresponding value. If there is no entry in this Map for the key, then return null.

Syntax

Object get(Object key)

Parameters

Key − Key to search for retrieval.

Return Value

The key-value pair or NULL if it does not exist.

Example

Following is an example of the usage of this method −

class Example { 
   static void main(String[] args) { 
      def mp = ["TopicName" : "Maps", "TopicDescription" : "Methods in Maps"] 
      println(mp.get("TopicName")); 
      println(mp.get("Topic")); 
   } 
}

When we run the above program, we will get the following result −

Maps 
Null