Java tutorial
public class MainClass { public static void main(String args[]) { String letters = "abcdefghijklmabcdefghijklm"; System.out.printf("'c' is located at index %d\n", letters.indexOf('c')); System.out.printf("'a' is located at index %d\n", letters.indexOf('a', 1)); System.out.printf("'$' is located at index %d\n\n", letters.indexOf('$')); } }