1 | static <A, B> void dropValuesFromMapOtherThan(Map<A, B> map, B... values) {
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2 | HashSet<B> valueSet = new HashSet(Arrays.asList(values)); |
3 | for (Iterator<Map.Entry<A, B>> it = map.entrySet().iterator(); it.hasNext();) |
4 | if (!valueSet.contains(it.next().getValue())) it.remove(); |
5 | } |
Began life as a copy of #1010873
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| Snippet ID: | #1010874 |
| Snippet name: | dropValuesFromMapOtherThan - modifies original map |
| Eternal ID of this version: | #1010874/2 |
| Text MD5: | 8a9646b9e34176d71c3a20f37669ed25 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-10-05 00:17:30 |
| Source code size: | 284 bytes / 5 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 486 / 499 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |