Find Words Containing Character

You are given a 0-indexed array of strings words and a character x.

Return an array of indices representing the words that contain the character x.

Note that the returned array may be in any order.

LeetCode Problem - 2942

import java.util.ArrayList;

class Solution {
    // Method to find indices of words containing a specific character
    public ArrayList<Integer> findWordsContaining(String[] words, char x) {
        // Initialize an ArrayList to store indices of words containing the character
        ArrayList<Integer> indices = new ArrayList<>();

        // Iterate through the array of words
        for (int i = 0; i < words.length; i++) {
            // Check if the current word contains the specified character
            boolean charFlag = checkChar(words[i], x);

            // If the character is found in the word, add its index to the ArrayList
            if (charFlag) {
                indices.add(i);
            }
        }

        // Return the ArrayList containing indices of words containing the character
        return indices;
    }

    // Method to check if a word contains a specific character
    public static boolean checkChar(String str, char z) {
        // Convert the word to a character array
        char[] strArray = str.toCharArray();

        // Iterate through the characters of the word
        for (char temp : strArray) {
            // If the specified character is found, return true
            if (temp == z) {
                return true;
            }
        }
        // If the character is not found, return false
        return false;
    }
}