find number of occurrences of a substring in a string java

1public class StringNumberOfOccurenceLetter {
2
3    private static int countOccurences(String word, char character){
4
5        int count = 0;
6        for (int i = 0; i < word.length() ; i++) {
7            if (word.charAt(i)==character){
8                count++;
9            }
10        }
11        return count;
12
13    }
14         public static void main(String[] args) {
15
16
17        int count = countOccurences("dddssad", 'a');
18    }
19
20
21}

1public static int count(String str, String target) {
2    return (str.length() - str.replace(target, "").length()) / target.length();
3}
4