Package g3101_3200.s3120_count_the_number_of_special_characters_i

Class Solution

java.lang.Object
g3101_3200.s3120_count_the_number_of_special_characters_i.Solution
public class Solution extends Object
3120 - Count the Number of Special Characters I.

Easy

You 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.

Example 1:

Input: word = “aaAbcBC”

Output: 3

Explanation:

The special characters in word are 'a', 'b', and 'c'.

Example 2:

Input: word = “abc”

Output: 0

Explanation:

No character in word appears in uppercase.

Example 3:

Input: word = “abBCab”

Output: 1

Explanation:

The only special character in word is 'b'.

Constraints:

  • 1 <= word.length <= 50
  • word consists of only lowercase and uppercase English letters.

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • numberOfSpecialChars

      public int numberOfSpecialChars(String word)