This is the source code.

SOURCE:
/**
   A Compact Disk has a title and a cost.
*/
    public class CompactDisk
   {
   /**
      Constructs a default compact disk with blank title "title" and price of 0 dollars.
   */
       public CompactDisk()
      {
         price = 0;
         title = "title";
      }

   /**
      Constructs a compact disk with a given name and price.
      @param initialPrice the price of the compact disk.
       @param aName the title of the compact disk.
   */
       public CompactDisk(String aName,double initialPrice)
      {
         title = aName;
         price = initialPrice;
      }


   /**
      Sets the title of the Compact Disk to a new title.
      @param newName the new title of the Compact Disk.
   */
       public void setTitle(String newName)
      {
         title = newName;
      }

   /**
      Gets the current title of the Compact Disk.
      @return the title of the Compact Disk.
   */
       public String getName()
      {
         return name;
      }

   /**
      Gets the price of a compact disk.
      @return the price of the Compact Disk.
   */
       public double getPrice()
      {
         return price;
      }
   }

ok these are the compiler errors
COMPILER ERROR:

     ----jGRASP exec: javac C:\WINDOWS\Desktop\CompactDisk.java

    CompactDisk.java:21: cannot resolve symbol
    symbol : variable price
    location: class CompactDisk
             price = 0;
             ^
    CompactDisk.java:22: cannot resolve symbol
    symbol : variable title
    location: class CompactDisk
             title = "title";
             ^
    CompactDisk.java:32: cannot resolve symbol
    symbol : variable title
    location: class CompactDisk
             title = aName;
             ^
    CompactDisk.java:33: cannot resolve symbol
    symbol : variable price
    location: class CompactDisk
             price = initialPrice;
             ^
    CompactDisk.java:43: cannot resolve symbol
    symbol : variable title
    location: class CompactDisk
             title = newName;
             ^
    CompactDisk.java:52: cannot resolve symbol
    symbol : variable name
    location: class CompactDisk
             return name;
                    ^
    CompactDisk.java:61: cannot resolve symbol
    symbol : variable price
    location: class CompactDisk
             return price;
                    ^
    7 errors

     ----jGRASP wedge2: exit code for process is 1.
     ----jGRASP: operation complete.

Hi

You need to specify the variable type for price and name say for example

int price or float price etc. and you your name variable should be of type String.

Regards




Yashraj Chauhan
Java\J2EE Specialist
Wiley Support Team