fork download
  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone {
  6. public static void main (String[] args)
  7. {
  8. List<Book> books = Arrays.asList(
  9. new Book("Lord of the Rings"),
  10. new Book("Harry Potter")
  11. );
  12.  
  13. books.sort(Comparator.comparing(Book::getTitle));
  14.  
  15. for (Book book : books) {
  16. System.out.println(book.getTitle());
  17. }
  18. }
  19. }
  20.  
  21. class Book {
  22. private final String title;
  23.  
  24. Book(String title) {
  25. this.title = title;
  26. }
  27.  
  28. String getTitle() { return title; }
  29. }
Success #stdin #stdout 0.09s 48056KB
stdin
Standard input is empty
stdout
Harry Potter
Lord of the Rings