Lambdas and Stream Why ?

Streams:

• Streams brings functional Programming in Java and are supported in JAVA 8

• Stream Pipeline consist of Source followed by ZERO or more intermediate operation with terminal operation.

Source ----->Filter ----->Sort ---->Map ----->Collect

Source

• Streams can be created from Collections , Lists , Sets , ints , longs , doubles , arrays and lines of a file

Stream operations are either intermediate or terminal

Intermediate operations :

• filter, map or sort reaturn a stream so we can chain multiple intermediate operations.

Terminal operations :

• forEach, collect or reduce are either void or return a non-stream result.