public class CountSubstring {
	public static int countSubstring(String subStr, String str){
		int count = 0;
		for (int loc = str.indexOf(subStr); loc != -1;
		     loc = str.indexOf(subStr, loc + subStr.length()))
			count++;
		return count;
	}
	
	public static void main(String[] args){
		System.out.println(countSubstring("th", "the three truths"));
		System.out.println(countSubstring("abab", "ababababab"));
		System.out.println(countSubstring("a*b", "abaabba*bbaba*bbab"));
	}
}