Dividing an array list into two equal parts

Question

I was wondering if there is a way (simple way hopefully) to take the elements of an array list and put it into 2 other array lists. If the original array list contained ten numbers, is there a way to split the array list in half giving 5 numbers to each new array list? Thanks for your help!

You might want to look at http://stackoverflow.com/questions/5731042/split-array-into-two-parts-without-for-loop-in-java — Brian Hoover, Feb 05 '15 at 23:23
Can you be more specific? For example, can you show us what you've tried? It's a lot easier to fix well-defined problems. — ryanyuyu, Feb 05 '15 at 23:23
Use my code it works for odd as well even list size int listSize = listOfArtist.size(); int mid = 0; if (listSize % 2 == 0) { mid = listSize / 2; Log.e("Parting", "You entered an even number. mid " + mid + " size is " + listSize); } else { mid = (listSize + 1) / 2; Log.e("Parting", "You entered an odd number. mid " + mid + " size is " + listSize); } leftArray = new ArrayList(listOfArtist.subList(0, mid)); rightArray = new ArrayList(listOfArtist.subList(mid, listSize)); — Hitesh Sahu, Jan 07 '16 at 05:28

score 0 · Answer 1 · edited Mar 04 '16 at 23:48

0

You could use this method:

newArrList = arrayYouWantToSplit.subList(int fromIndex, int toIndex);

edited Mar 04 '16 at 23:48

Benjamin W.

46,058
19
106
116

answered Feb 05 '15 at 23:26

Ammar S

91
8

Does it split the original list into two seperate lists? – cvirus96 Feb 05 '15 at 23:37
obviously yea, It seems that you may not understand what a sub list or index means. – Ammar S Feb 06 '15 at 14:53

Dividing an array list into two equal parts

1 Answers1