Java Program To Find Occurrence Of Each Character in a String

The code you provided counts the occurrences of each character in the string "AABBCCDEF" and stores the result in a HashMap.


Here's a breakdown of how it works:

String Initialization: The string str = "AABBCCDEF" is defined.
HashMap Declaration: A HashMap named map is declared, where the key is a Character and the value is an Integer.
Loop through String: The program loops through each character of the string using a for loop.
Character Occurrence Count:
1. If the character ch already exists in the map, its value (the count) is incremented.
2. If the character does not exist in the map, it is added with a count of 1.
Result Output: The final map is printed, which will show the character occurrences.

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