Gulshan Kumarperfinsights.hashnode.dev·Apr 21, 2024Count the Number of Special Characters IYou are given a string word. A letter is called special if it appears both in lowercase and uppercase in word. Return the number of special letters in word. LeetCode Problem - 3120 import java.util.*; class Solution { // Function to count the nu...Java SolutionJavaAdd a thoughtful commentNo comments yetBe the first to start the conversation.