package com.javatechie.lambda.example;
import java.util.Collections;
import java.util.List;
public class BookService {
/*
* ( o1, o2) -> o2.getName().compareTo(o1.getName());
*
*/
public List getBooksinSort() {
List books = new BookDAO().getBooks();
Collections.sort(books, (o1, o2) -> o1.getName().compareTo(o2.getName()));
return books;
}
public static void main(String[] args) {
System.out.println(new BookService().getBooksinSort());
}
}
/*
* class MyComparator implements Comparator {
*
* @Override public int compare(Book o1, Book o2) { return
* o2.getName().compareTo(o1.getName()); }
*/