[SoftUni Java] Collections Basics - 07.CountSubstringOcc

package Java_Collections_Basic_Homework;

import java.util.Scanner;

public class _07_CountSubstringOccurrences {

    public static void main(String[] args) {

        Scanner reader = new Scanner(System.in);

        String input = reader.nextLine().toLowerCase();
        String sub = reader.nextLine();
        reader.close();

        int count = 0;
        int getIndex = input.indexOf(sub);

        while(input.contains(sub)){

            input = new String(
                    input.substring(
                            getIndex + 1, input.length()));

            getIndex = input.indexOf(sub);
            count++;
        }

        System.out.println(count);
    }

}