
Spring 5.0 Cookbook
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Java stream is currently used to transform, manipulate, consume, reduce, and/or transfer data without changing its data structure. Since a Stream
object is not a data structure, it is designed to be generated by some of the most popular data structures in Java, namely arrays and collections, to perform a faster declarative way of data processing. It also has some utility methods that can generate data structures from the baseline.
Open project ch06
again and add some services that will manipulate EmployeeDao
data using stream methods.
The previous recipe provided with the process for how to generate the Stream objects from a source data structure. It is time to scrutinize and study the operations involved in stream objects:
EmployeeStreamService
in the package org.packt.functional.codes.service.impl
and add this set of methods that initializes Employee
, arrays and converts List<Employee>
to Employee[]
using...