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 java.lang.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 Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    numberOfSpecialChars(java.lang.String word)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • numberOfSpecialChars

      public int numberOfSpecialChars(java.lang.String word)