Medium Final Example

Medium Final Example

import java.util.List;
import java.util.*;

public class FinalExample{
  public static void main(String[] args){
   List<Book> listBooks = new ArrayList<Book>();
		//Create 4 Harry Potter books
		Book harryPotter1 = new Book();
		harryPotter1.setTitle("Harry Potter and The Philosopher's Stone");
		harryPotter1.setAuthor("J.K. Rowling");
		harryPotter1.setNumOfPages(296);
		
		Book harryPotter2 = new Book();
		harryPotter2.setTitle("Harry Potter and The Chamber of Secrets");
		harryPotter2.setAuthor("J.K. Rowling");
		harryPotter2.setNumOfPages(301);
		
		Book harryPotter3 = new Book();
		harryPotter3.setTitle("Harry Potter and The Prisoner of Azkaban");
		harryPotter3.setAuthor("J.K. Rowling");
		harryPotter3.setNumOfPages(426);
		
		Book harryPotter4 = new Book();
		harryPotter4.setTitle("Harry Potter and The Goblet of Fire");
		harryPotter4.setAuthor("J.K. Rowling");
		
		//Add the books to the list
		listBooks.add(harryPotter1);
		listBooks.add(harryPotter2);
		listBooks.add(harryPotter3);
		listBooks.add(harryPotter4);
    
    	FinalExample ex = new FinalExample();
		ex.filterBooks(listBooks);
  }
  
 	private  Boolean validate (int numOfPages){
		if(numOfPages > 300){
			return true;
		}
	return false;
	}
	public List<Book> filterBooks(List<Book> listBooks){
		List<Book> filteredList= new ArrayList<Book>();
		for(Book book: listBooks){ 
			if(validate(book.getNumOfPages())){
				filteredList.add(book);
				System.out.println(book.getTitle());
			}
		}
      return filteredList;
	}
}

class Book{
  
	private String title;
	private String author;
	private int numOfPages;

	public Book(){ //Constructor
		this.title= "";
		this.author= "";
		this.numOfPages = 0;
	}

	public void setTitle(String title){
		this.title= title;
	}

	public String getTitle(){
		return this.title;
	}
	public void setAuthor(String author){
		this.author= author;
	}

	public String getAuthor(){
		return this.author;
	}
	public void setNumOfPages(int numOfPages){
		this.numOfPages= numOfPages;
	}

	public int getNumOfPages(){
		return this.numOfPages;
	}
}