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Check If Map Contains Key Java

[Solved] Check If Map Contains Key Java | Go - Code Explorer | yomemimo.com
Question : check if map contains key java

Answered by : nice-newt-kclotk9fgigj

 if (map.containsKey(key)) { // Okay, there's a key but the value is null } else { // Definitely no such key }

Source : https://stackoverflow.com/questions/3626752/key-existence-check-in-hashmap | Last Update : Wed, 11 Mar 20

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