Definition   A COMPUTER is a general purpose machine which can be made to Act like a special purpose machine by means of a program.

Definition   A JAVA APPLICATION TEMPLATE is a text which is a Java program except for ``slots'' which must be ``filled.'' These templates contain five textual sections:

• General Information
  
• Application Discription Section
  
• Required packages
  
• Application Class
  
• Demo
  

Definition   OBJECT-ORIENTED programming is a style of programming which features the modelling of objects in a hieraroitical fashion and the sending of messages to appropriatly behaving objects.

Definition   A MESSAGE SEND is a construct of the form < object >.   < message > Which tells the computer to ``send the message to the object (which knows how to process it) .''

Definition   A VARIABLE is a name (identifier) which represents some concept and which may denote a value.

Definition   A VARIABLE DECLARATION is the introduction of a variable into a program which specifies the type of value which the variable can denote.