how to count the occurence of string in a sentence code example

Example 1: how to count the occurrence of a word in string python

# define string
string = "Python is awesome, isn't it?"
substring = "is"

count = string.count(substring)

# print count
print("The count is:", count)

Example 2: number of occurence in string

public class StringNumberOfOccurenceLetter {

    private static int countOccurences(String word, char character){

        int count = 0;
        for (int i = 0; i < word.length() ; i++) {
            if (word.charAt(i)==character){
                count++;
            }
        }
        return count;

    }
         public static void main(String[] args) {


        int count = countOccurences("dddssad", 'a');
    }

}