8.10 Declaring an enum type with constructor and explicit in

// Fig. 8.10: Book.java
// Declaring an enum type with constructor and explicit instance fields
// and accessors for these fields

public enum Book
{
    // declare constants of enum type
    JHTP( "Java How to Program", "2012" ),
    CHTP( "C How to Program", "2007" ),
    IW3HTP( "Internet & World Wide Web How to Program", "2008" ),
    CPPHTP( "C++ How to Program", "2012" ),
    VBHTP( "Visual Basic 2010 How to Program", "2011" ),
    CSHARPHTP( "Visual C# 2010 How to Program", "2011" );

    // instance fields
    private final String title; // book title
    private final String copyrightYear; // copyright year

    // enum constructor
    Book( String bookTitle, String year )
    {
        title = bookTitle;
        copyrightYear = year;
    } // end enum Book constructor

    // accessor for field title
    public String getTitle()
    {
        return title;
    } // end method getTitle

    // accessor for field copyrightYear
    public String getCopyrightYear()
    {
        return copyrightYear;
    } // end method getCopyrightYear
} // end enum Book