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

public class StringCompression {
    public static void main(String... args){
        String s="aabbcccaa";
        //a2b2c3a2

        for(int i=0;i