Entire Site
Free Trial
Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
- Create BookmarkCreate Bookmark
- Create Note or TagCreate Note or Tag
- DownloadDownload
- PrintPrint
Chapter 16. Collection Patterns > Collection Concurrency
16.11. Collection Concurrency
Collections should not be modified during an enumeration or modified concurrently from another thread. This section describes a couple of techniques for avoiding changes in a collection until after an enumeration is complete. After that, the thread-safety issues are addressed.
16.11.1. Enumerate a Copy of the Collection
The first technique to avoid modifying a collection while it is being iterated is to simply copy the collection and iterate through the copy, leaving the original free to be altered. The code in Listing 16-14 demonstrates this technique.
