Java compressing Strings

Question

I need to create a method that receives a String and also returns a String.

Ex input: AAABBBBCC

Ex output: 3A4B2C

Well, this is quite embarrassing a

Answer 1

consider the below Solution in which the String s1 identifies the unique characters that are available in a given String s (for loop 1), in the second for loop build a string s2 that contains unique character and no of times it is repeated by comparing string s1 with s.

public static void main(String[] args) 
{
    // TODO Auto-generated method stub

    String s = "aaaabbccccffffdeee";//given string
    String s1 = ""; // string to identify how many unique letters are available in a string
    String s2=""; //decompressed string will be appended to this string
    int count=0;
    for(int i=0;i