Is Apex map key case sensitive?

Map keys of type String are case-sensitive . Two keys that differ only by the case are considered unique and have corresponding distinct Map entries. Subsequently, the Map methods, including put , get , containsKey , and remove treat these keys as distinct.

The Go Language is case sensitive .

Map uses equals and hashCode to test for key equality, and you can’t overwrite these for String . What you could do is define your own Key class which contains a string value, but implements equals and hashCode in a case insensitive way.

Map is one of the most common data structures in Java, and String is one of the most common types for a map’s key. By default, a map of this sort has case-sensitive keys .26 May 2020