Count Substring Occurrences

import java.util.Scanner;

public class Problem_07_CountSubstringOccurrences {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String text = scanner.nextLine();
        String searchedString  = scanner.nextLine();
        int stringCounter = 0;
        int stringIndex = (text.toLowerCase().indexOf(searchedString.toLowerCase()));
        while (stringIndex != -1){
            stringCounter++;
            stringIndex = (text.toLowerCase().indexOf(searchedString.toLowerCase(),stringIndex+1));
        }
        System.out.println(stringCounter);
    }
}