تحديات برمجيةالتحدي الأول - حل التمرين الرابع بلغة جافا

import java.util.Scanner;

public class Main {

    public static int CountOccurrences(String s1, String s2) {
        
        int counter = 0;
        
        for (int i = 0; i < s1.length() - s2.length() + 1; i++)
        {
            if (s1.substring(i, i + s2.length()).equals(s2))
            {
                counter++;
            }
        }
        
        return counter;
    }
    
    
    public static void main(String[] args) {
        
        Scanner input = new Scanner(System.in);
        
        System.out.print("Enter any text: ");
        String text = input.nextLine();
        
        System.out.print("Enter word to search occurrences: ");
        String keyword = input.next();

        int result = CountOccurrences(text, keyword);
        
        System.out.println("Total occurrences of '" + keyword + "' is: " + result);
    }

}