Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
256 views
in Technique[技术] by (71.8m points)

java - Retrieving elemnts from an ArrayList by specifying the indexes

Is there a method in Java to get the list of objects from an Arraylist to another ArrayList, by just specifying the start and end index?

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

Yes you can use the subList method:

List<...> list2 = list1.subList(startIndex, endIndex);

This returns a view on that part of the original list, it does not copy the data.
If you want a copy:

List<...> list2 = new ArrayList<...> (list1.subList(startIndex, endIndex));

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...