Flat Map In Java 8

Both map and flatmap can be applied to a stream and they both return a stream. I am creating a two dimensional array with integer data. It applies a function on each element of stream and store return value into new stream.

In this post, we will clarify differences between map () and flatmap () in java 8 using an example. Differences between map () and flatmap () in java 8 ? Map () takes stream as input and return stream</p>

The javadocs are public stream flatmap (function<?

Function passed to map () returns a single value whereas the function you pass to the flatmap () returns a stream of values. We can invoke them on streams and optionals. Sample array { {1,2}, {3,4}, {5,6}} 2. In this video we have covered top java 8 coding interview questions for experienced along with answers i.e map vs flatmapin this video of java 8 interview qu.