book2.java

来自「Java 程序设计教程（第五版）EXAMPLESchap08源码」· Java 代码 · 共 37 行

//********************************************************************
//  Book2.java       Author: Lewis/Loftus
//
//  Represents a book. Used as the parent of a derived class to
//  demonstrate inheritance and the use of the super reference.
//********************************************************************

public class Book2
{
   protected int pages;

   //----------------------------------------------------------------
   //  Constructor: Sets up the book with the specified number of
   //  pages.
   //----------------------------------------------------------------
   public Book2 (int numPages)
   {
      pages = numPages;
   }

   //----------------------------------------------------------------
   //  Pages mutator.
   //----------------------------------------------------------------
   public void setPages (int numPages)
   {
      pages = numPages;
   }

   //----------------------------------------------------------------
   //  Pages accessor.
   //----------------------------------------------------------------
   public int getPages ()
   {
      return pages;
   }
}