containsKey(key) Returns true if the map contains a mapping for the specified key .
Read moreWhat is containsKey in map Salesforce?
containsKey(key) Returns true if the map contains a mapping for the specified key .
Read moreHow do I find map values in Salesforce?
Apex Map In SalesForce
Read moreHow do I find map values in Salesforce?
Apex Map In SalesForce
Read moreIs TreeMap case-insensitive?
Also, TreeMap uses a Comparator to find if an inserted key is a duplicate or a new one. Therefore, if we provide a case-insensitive String Comparator, we’ll get a case-insensitive TreeMap . which we can supply in the constructor: Map<String, Integer> treeMap = new TreeMap<>(String.26 May 2020
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