Answers for "contains java map"

check if map contains key java

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

Posted by: Guest on March-04-2020

contains hashmap java

Integer val = map.get(c);
if (val != null) {
  ...
} else {
  ...
}

Posted by: Guest on April-01-2022

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