Object oriented programming

Object oriented programming

1. object: Dog

   • Attributes: Color, age type, weight
     • Actions: run, bark, urinate, stiff

2. Java Language

   • Class: Employee
     • Objects: Employee
       • Fields: Age (int), Salary (double)
         • Methods: Work, ReceiveSalary
   • UML to Code
     • Class Classname {Classbody }
       • Specify objects and fields
         • Constructors (1st initialize the field, 2nd add values to it)
           • Methods (eg. accessors (getName) and mutators (SetName))
     • Main program
       • Public static void main (String [] args)
         • Create new objects using the keyword 'new'
           • call on methods specified earlier to perform actions on the object
             • Sys.out (print)
       • Class

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