/*Lets write an algorithm that, given an initial value, will produce the next 'count and say' sequence: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, … */ public class CountAndSay{ public static void main(String[] args){ System.out.println("Count and Say algorithm"); System.out.println("next sequence is: " + countAndSay(args[0].toString())); } public static String countAndSay(String input){ Boolean change=false; String output=""; int count=1; char[] str = input.toCharArray(); System.out.println("Input is: " + input); for (int i=0;i<str.length;i++){ if (i+1<str.length && str[i]==str[i+1]){ count++; } else{ output = output + count + str[i]; count=1; } } return output; } }