The java.util.stream is a sequence of elements supporting sequential and parallel aggregate operations.
java 8 stream map example
package com.w3schools; import java.util.Arrays; import java.util.List; public class Test{ public static void main(String[] args) { Listnames = Arrays.asList("Jai", "Mahesh", "Vishal", "Hemant", "Naren"); names.stream().map(String::toUpperCase).forEach(System.out::println); } }
Output
JAI MAHESH VISHAL HEMANT NAREN