Word Count With Map
String containing words separated by the "_" character, write a method
wordCount that returns a
Map<String, Int> containing the number of times that each part appears in the
So, for example, given the
String "Xyz_Chuchu_Chuchu_Xyz_Ferdie", you would return a map with three mappings:
"Xyz" to 2, "Chuchu" to 2, and "Ferdie" to 1.