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Question

Why does Java's Cleaner use a linked list instead of a ConcurrentHashSet?

score 74 · Answer 1 · 2024-02-23T10:38:34.637000

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Why does Java's Cleaner use a linked list instead of a ConcurrentHashSet?

74 views Asked by IronWidget At 23 February 2024 at 10:38

score 90 · Answer 2 · 2024-01-03T18:30:22.257000

Is it strictly necessary to use atomic integer inside a compute block?

90 views Asked by Beercola At 03 January 2024 at 18:30

score 98 · Answer 3 · 2023-12-17T07:25:26.030000

When find() of tbb::concurrent_hash_map is used in parallel with iteration, the amount of data obtained is inconsistent with the size of the map?

98 views Asked by ystraw y At 17 December 2023 at 07:25

score 142 · Answer 4 · 2023-11-26T18:40:45.120000

functional way to get both previous value and new value from ConcurrentHashMap

142 views Asked by marcin At 26 November 2023 at 18:40

score 215 · Answer 5 · 2023-09-17T05:57:08.467000

How to conditionally put a value into concurrent hashmap?

215 views Asked by Bruce At 17 September 2023 at 05:57

score 54 · Answer 6 · 2023-09-01T08:44:03.940000

Best structure of Multiple indexed map

54 views Asked by coding monster At 01 September 2023 at 08:44

score 53 · Answer 7 · 2023-08-16T18:33:21.037000

j.u.c.ConcurrentHashMap - What is baseCount and sumCount?

53 views Asked by ng.newbie At 16 August 2023 at 18:33

score 74 · Answer 8 · 2023-08-10T20:46:43.630000

ConcurrentHashMap - Can we get rid of i >= n from transfer()?

74 views Asked by ng.newbie At 10 August 2023 at 20:46

score 74 · Answer 9 · 2023-08-02T21:19:42.777000

Running blocking code in map.computeIfAbsent throws error

74 views Asked by Rahul verma At 02 August 2023 at 21:19

score 61 · Answer 10 · 2023-07-18T20:39:18.527000

java ConcurrentHashMap - How does RESIZE_STAMP_BITS/RESIZE_STAMP_SHIFT work in a resize operation?

61 views Asked by ng.newbie At 18 July 2023 at 20:39

score 116 · Answer 11 · 2023-06-23T14:06:50.567000

Java containsKey() on ConcurrentHashMap returns false for a UUID key that present in the map

116 views Asked by itnick At 23 June 2023 at 14:06

score 1350 · Answer 12 · 2023-06-20T12:25:41.753000

Should we use computeIfAbsent instead of getOrPut?

1.3k views Asked by k314159 At 20 June 2023 at 12:25

score 251 · Answer 13 · 2023-06-12T16:38:07.883000

Concurrent Iteration and Modification in TBB's concurrent_unordered_map

251 views Asked by dopller At 12 June 2023 at 16:38

score 38 · Answer 14 · 2023-05-19T15:28:03.477000

Strange ConcurrentHashMap behaviour

38 views Asked by user2028936 At 19 May 2023 at 15:28

score 149 · Answer 15 · 2023-04-25T00:03:54.667000

Why doesn't ConcurrentHashMap of JDK11 need volatile semantics in the methods tabAt and setTabAt?

149 views Asked by Oliver At 25 April 2023 at 00:03

score 26 · Answer 16 · 2023-04-24T07:45:16.570000

A multi-thread interceptor has a Map for storing blacklist,is it useful using a ConcurrentHashMap?

26 views Asked by SeaDeemo At 24 April 2023 at 07:45

score 143 · Answer 17 · 2023-04-11T12:55:39.450000

ComputeIfAbsent wrong map size

143 views Asked by Ahmad Darwich At 11 April 2023 at 12:55

score 53 · Answer 18 · 2023-04-07T13:40:49.297000

applying concurrency when a ConcurrentHashMap is map value

53 views Asked by SmokingTurtle At 07 April 2023 at 13:40

score 75 · Answer 19 · 2023-03-22T11:35:38.547000

Check if ConcurrentHashMap.forEach(PARALLELISM_THR, (k, v)->) has completed

75 views Asked by DDS At 22 March 2023 at 11:35

score 136 · Answer 20 · 2023-03-16T06:00:00.807000

Is there a good reason Java's hash maps don't allow custom equals/hashCode?

136 views Asked by Evgeniy Berezovsky At 16 March 2023 at 06:00

TechQA.

List Question

Why does Java's Cleaner use a linked list instead of a ConcurrentHashSet?

Is it strictly necessary to use atomic integer inside a compute block?

When find() of tbb::concurrent_hash_map is used in parallel with iteration, the amount of data obtained is inconsistent with the size of the map?

functional way to get both previous value and new value from ConcurrentHashMap

How to conditionally put a value into concurrent hashmap?

Best structure of Multiple indexed map

j.u.c.ConcurrentHashMap - What is baseCount and sumCount?

ConcurrentHashMap - Can we get rid of i >= n from transfer()?

Running blocking code in map.computeIfAbsent throws error

java ConcurrentHashMap - How does RESIZE_STAMP_BITS/RESIZE_STAMP_SHIFT work in a resize operation?

Java containsKey() on ConcurrentHashMap returns false for a UUID key that present in the map

Should we use computeIfAbsent instead of getOrPut?

Concurrent Iteration and Modification in TBB's concurrent_unordered_map

Strange ConcurrentHashMap behaviour

Why doesn't ConcurrentHashMap of JDK11 need volatile semantics in the methods tabAt and setTabAt?

A multi-thread interceptor has a Map for storing blacklist,is it useful using a ConcurrentHashMap?

ComputeIfAbsent wrong map size

applying concurrency when a ConcurrentHashMap is map value

Check if ConcurrentHashMap.forEach(PARALLELISM_THR, (k, v)->) has completed

Is there a good reason Java's hash maps don't allow custom equals/hashCode?

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