Write code to count Matches
//package com.book2s; public class Main { public static void main(String[] argv) { String haystack = "book2s.com"; char c = 'a'; System.out.println(countMatches(haystack, c)); }//from ww w . ja v a 2s . co m public static int countMatches(String haystack, char c) { int count = 0; for (int i = 0; i < haystack.length(); i++) { if (haystack.charAt(i) == c) count++; } return count; } }