public class LambdaTest {
	
	public static void main(String[] args) {
		List<String> names = Arrays.asList("A", "B", "C", "D");
		
		//Type 1
		Comparator<String> myComparator = new Comparator<String>() {
			@Override
			public int compare(String o1, String o2) {
				// TODO Auto-generated method stub
				return 0;
			}			
		};
		Collections.sort(names,myComparator);
		
		//Type 2
		Collections.sort(names, new Comparator<String>() {
			@Override
			public int compare(String o1, String o2) {
				// TODO Auto-generated method stub
				return 0;
			}			
		});
		
		//Type 3
		Collections.sort(names, (String a, String b) -> {return b.compareTo(a);} );
		
		//Type 4
		Collections.sort(names, (String a, String b) -> b.compareTo(a) );
		
		//Type 5
		Collections.sort(names, (a, b) -> b.compareTo(a));
		
		//Type 6
		Collections.sort(names, (a, b) -> myComparator.compare(a, b));
		
		//Type7
		Comparator<String> otherComparator = myComparator::compare;
		Collections.sort(names,otherComparator);
		
		
		for(int i=0;i<4;i++) {
			System.out.println(names.get(i));
		}
	}
	
}