Java 8 Streams - Program To Break A List Into Batches Of Given Size
In this post, we will show how to break a list into batches of a given size. Example 1: Convert List of Characters into batches of a given size import java.util.Arrays; import java.util.Collection; import java.util.List; import java.util.concurrent.atomic.AtomicInteger; import java.util.stream.Collectors; public class Main { public static void main( String [] args) { List < Character > list = Arrays .asList( 'a' , 'b' , 'c' , 'd' , 'e' , 'f' , 'g' , 'h' , 'i' , 'j' ); int chunkSize = 3 ; AtomicInteger ai = new AtomicInteger(); Collection < List < Character >> chunkedOrders = list.stream() .collect(Collectors.groupingBy(item -> ai .getAndIncrement() / chunkSize)) .values(); chun