Method countCompression

java/Chapter 1/Question1_5/Question.java:16–32

(String str)

	}
	
	public static int countCompression(String str) {
		if (str == null || str.isEmpty()) return 0;
		char last = str.charAt(0);
		int size = 0;
		int count = 1;
		for (int i = 1; i < str.length(); i++) {
			if (str.charAt(i) == last) {
				count++;
			} else {
				last = str.charAt(i);
				size += 1 + String.valueOf(count).length();
				count = 1;
			} 
		}
		size += 1 + String.valueOf(count).length();
		return size;
	}
	
	public static String compressBad(String str) {
		int size = countCompression(str);