Compress the String

// Program to compress a string. For each character that is repeated more than once,replace each consecutive duplicate occurance with the number of repetitions.


public class CompressString {

	public static void main(String[] args) {
		String str = "aaabbccs";
		String ans = compress(str);
		System.out.println(ans);
	}

	public static String compress(String inputString) {
		// Write your code here
		String str = "";
		int count = 1;
		for (int i = 1; i < inputString.length(); i++) {
			if (inputString.charAt(i - 1) != inputString.charAt(i)) {
				if (count == 1)
					str = str + inputString.charAt(i - 1);
				else
					str = str + inputString.charAt(i - 1) + count;
				count = 0;
			}
			count++;
		}
		if (inputString.charAt(inputString.length() - 1) == inputString.charAt(inputString.length() - 2)) {
			str = str + inputString.charAt(inputString.length() - 1) + count;
		} else
			str = str + inputString.charAt(inputString.length() - 1);
		return str;
	}

}