You can have a Map as key but as you pointed out since a Map is (typically) mutable the key changes.
Read moreAre keys in a map unique?
The keys are unique in all maps . The difference between the various maps implementations concern the possibility of null keys, the order of iteration and concurrency issues.
Read moreAre keys in a map unique?
The keys are unique in all maps . The difference between the various maps implementations concern the possibility of null keys, the order of iteration and concurrency issues.
Read moreIs StringUtils case sensitive?
The StringUtils class contains a containsIgnoreCase() method that checks if a string is a substring of another in a case-insensitive manner . Before we can use the methods in this jar, we need to add it our Build Path.
Read moreDoes Java contain case sensitive?
Yes, contains is case sensitive . You can use java.
Read moreIs map key case sensitive in C++?
If you use the standard std::map associative container with std::string or std::wstring as key types, you get a case sensitive comparison by default .
Read moreAre HashMap keys unique?
HashMap is a container that stores key-value pairs. Each key is associated with one value. Keys in a HashMap must be unique .
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