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Hashmap contains key return false even when key exists

score 1494 · Answer 1 · 2015-06-25 02:16:24

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Hashmap contains key return false even when key exists

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score 39 · Answer 2 · 2016-12-17 23:37:52

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Dictionary using is custom key but key is always unequal

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Why is Dictionary.ContainsKey returning False when the key is an int[]?

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Dictionary.ContainsKey StringComparer.Ordinal

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Get an element from a hashmap by == operator, rather than .equal in java

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score 160 · Answer 8 · 2018-11-11 16:38:50

TreeMap#containsKey return false just after put

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Why isn't my hashmap returning a word count?

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score 6558 · Answer 10 · 2013-08-07 17:16:32

Java TreeMap contains a key but a containsKey call returns false (even the key is exactly the same unchanged object)

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TechQA.

List Question

Hashmap contains key return false even when key exists

Why is my HashMap.containsKey(myKey) always returning false?

Dictionary using is custom key but key is always unequal

Why is Dictionary.ContainsKey returning False when the key is an int[]?

update values in a dictionary with new fields obtained from a wmi query vb.net

Dictionary.ContainsKey StringComparer.Ordinal

Get an element from a hashmap by == operator, rather than .equal in java

TreeMap#containsKey return false just after put

Why isn't my hashmap returning a word count?

Java TreeMap contains a key but a containsKey call returns false (even the key is exactly the same unchanged object)

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