public class RotateString {
    public static String rotateString(String str, int rotationCount) {
        if (str == null || str.isEmpty() || rotationCount <= 0) return str;
        int len = str.length();
        rotationCount = rotationCount % len; // To handle cases where rotationCount > length
        return str.substring(len - rotationCount) + str.substring(0, len - rotationCount);
    }

    public static void main(String[] args) {
        String str = "JavaIsFun";
        System.out.println("Rotated String: " + rotateString(str, 3));
    }
}