The Java Program: Find.java

  1 class Find {
  2 
  3     public static void main(String[] args) {
  4        final String s = "Madam, I'm Adam";
  5 
  6        System.out.println (s.indexOf('\''));        // 8
  7        System.out.println (s.indexOf('\'', 8));     // 8
  8        System.out.println (s.indexOf('\'', 9));     // -1
  9        System.out.println (s.indexOf('a', 100));    // -1
 10        System.out.println (s.indexOf('X'));         // -1
 11 
 12        // Retrieve the first word.
 13        System.out.println (s.substring(0, s.indexOf(' '))); // Madam,
 14     }
 15 }
 16