//Kevin Chavez
public class Book
{

      private String title;
      private String author;
      private String publisher;
      private String isbn;
      private double price;

      public Book()
      {
            setTitle("");
            setAuthor("");
            setIsbn("");
            setPublisher("");
            setPrice(0.0);

      }
      public Book(String title, String author, String publisher, String isbn, Double price)
      {


        setTitle(title);
        setAuthor(author);
        setPublisher(publisher);
        setIsbn(isbn);
        setPrice(price);

      }
      public void setTitle(String title)
      {
            this.title = title;
      }
      public String getTitle()
      {
            return title;
      }
      public void setAuthor(String author)
      {
            this.author = author;
      }
      public String getAuthor()
      {
            return author;
      }
      public void setPublisher(String publisher)
      {
            this.publisher = publisher;
      }
      public String getPublisher()
      {
            return publisher;
      }
      public void setIsbn(String isbn)
      {
            this.isbn = isbn;
      }
      public String getIsbn()
      {
            return isbn;
      }
      public void setPrice(double price)
      {
            this.price = price;
      }
      public double getPrice()
      {
            return price;
      }

      public String toString()
      {
            return("Title" + title + "Author" + author + "ISBN" + isbn + "Publisher" + publisher + "Price" + price);
      }
      public double calculate_charge(int quantity)
      {
            return(quantity * price);
      }


}