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Why were Streams introduced in Java 8?

Answer»

STREAMS support aggregate operations and introduced in JAVA 8. It is a sequence of OBJECTS with operations like Sorted, Map, Filter, etc.

For Streams, the following package is used:

import java.util.STREAM.*;

Here is an example of Stream operations in Java 8 to work with map and collect:

import java.util.*; import java.util.stream.*; public class Demo {  public static void main(String args[])  {    List<Integer> L = Arrays.asList(29, 35, 67);    List<Integer> res = l.stream().map(a -> a*a).collect(Collectors.toList());    System.out.println(res);  } }


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