Extract Data from a Stream


Open Source Your Knowledge, Become a Contributor

Technology knowledge has to be shared and made accessible for free. Join the movement.

Create Content

Extract data from an object using peek() and map() methods

Let us start with a simple example

Square each element in the above stream and print

The map() operation in the stream applies the given lambda function(i - > i * i) as an argument on the elements of the stream. The count method returns the value 5. To Print the square value of each value in the stream, we used intermediate method peek().

Open Source Your Knowledge: become a Contributor and help others learn. Create New Content