import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class P25 {
    public static void main(String[] args) {
        List<String> names = new ArrayList<>();
        
        names.add("Batu");
        names.add("Amba");
        names.add("John");
        names.add("Quandangle");
        names.add("Harikrishan");
        
        System.out.println("Names before sorting:");
        for (String name : names)
            System.out.print(name + " ");
        
        Collections.sort(names);
        
        System.out.println("\nNames after sorting:");
        for (String name : names)
            System.out.print(name + " ");
    }
}