Chapter 19.6, Problem 19.39CP

Explanation of Solution

Stream pipeline:

• The stream is an object used to do pipeline of operations which is also called as sequence of operation that is performed on a sequence of data that is drawn from a source.
  • The source may be an array, a collection or a function.
• The package used for stream is “java.util.stream”.
  • This package contains many interfaces and classes.
• The generic interface “Stream <T>” contains many methods whose elements are objects of type “T”.
• There are two types of stream pipeline operations. They are:
  • Stream intermediate operation: This type of operation works on existing stream and then it produces a new stream...