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28 lines (23 loc) · 672 Bytes

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<Book> getBooksinSort() {

List<Book> 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<Book> {

* @Override public int compare(Book o1, Book o2) { return

* o2.getName().compareTo(o1.getName()); }

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