public class SortStringIgnoreCase {
	public static void main(String[] args) {
		java.util.List<String> cities = java.util.Arrays.asList
		("Atlanta", "Savannah", "new York", "dallas", "Macon", "Columbia");
		Collections.sort(cities,new Comparator<String>(){
			public int compare(String s1,String s2){
				if (s1.length() != s1.length())
					s1.length() - s2.length();
				else
					s1.toCharArray() - s2.toCharArray();
			}
		});
		cities.sort((city, subCity) -> city.compareToIgnoreCase(subCity)); // First by length, second by characters

		for (String s: cities) {
			System.out.print(s + " ");
		}
	}
}