QuestionA.java

package Q1_06_String_Compression;

public class QuestionA {	
	public static String compressBad(String str) {
		String compressedString = "";
		int countConsecutive = 0;
		for (int i = 0; i < str.length(); i++) {
			countConsecutive++;
			
			/* If next character is different than current, append this char to result.*/
			if (i + 1 >= str.length() || str.charAt(i) != str.charAt(i + 1)) {
				compressedString += "" + str.charAt(i) + countConsecutive;
				countConsecutive = 0;
			}
		}
		return compressedString.length() < str.length() ? compressedString : str;
	}
	
	public static void main(String[] args) {
		String str = "aa";
		System.out.println(str);
		System.out.println(compressBad(str));
	}
}