book.java

public class Book
{
    // Variables
    private String _title;

    // Constructor
    public Book(String title)
    {
        _title = title;
    }

    // Getters and Setters.
    public String getTitle()
    {
        return _title;
    }

    public void setTitle(String title)
    {
        _title = title;
    }
}