example: [‘firstname’: ‘Abhi’, ‘lastname’:’jain’] The above example will create a map having two properties (firstname, lastname) with the values as (Abhi, jain) respectively On the same way arrays (Collection of Maps) can also be created [ [‘firstname’: ‘Abhi’, ‘lastname’:’jain’] [‘firstname’: ‘Montu’, ‘lastname’:’jain’] [‘firstname’: ‘John’, ‘lastname’:’ anderson’] ]