How to count frequency of a string in java using stream ?

In this tutorial we will use java 8 stream to find frequency of each character in a given String.

Count frequency of each character in a given String

Step 1: Split the input string to get each letters using input.split(“”)

Step 2: using the terminal operator collect and Collectors.groupingBy(Function.identity, counting()) we’ll reduce the stream to a Map with key as String and frequency as…