1:  class Employee

   2:      #    class constructor

   3:      def initialize( ) 

   4:          @name = ""

   5:          @rate = 0

   6:          @hours = 0

   7:      end

   8:      

   9:      #    class constructor, first overload. Use to set @name when instantiating a new Employee object

  10:      def initialize( aName ) 

  11:          @name = aName

  12:          @rate = 0

  13:          @hours = 0

  14:      end

  15:      

  16:      #    class constructor, first overload. Use to set @name, @rate, & @hours when instantiating a new Employee object

  17:      def initialize( aName, aRate, aHours ) 

  18:          @name = aName

  19:          @rate = Float(aRate)

  20:          @hours = Float(aHours)

  21:      end

  22:      

  23:      #    Get() and Set() methods for @name variable

  24:      def setName( aName )

  25:          @name = aName

  26:      end

  27:      

  28:      def getName()

  29:          return @name

  30:      end

  31:      

  32:      #    Get() and Set() methods for @rate variable

  33:      def setRate( aRate )

  34:          @rate = Float(aRate)

  35:      end

  36:      

  37:      def getRate()

  38:          return @rate

  39:      end

  40:      

  41:      #    Get() and Set() methods for @hours variable

  42:      def setHours( aHours )

  43:          @hours = Float(aHours)

  44:      end

  45:      

  46:      def getHours()

  47:          return @hours

  48:      end

  49:      

  50:      #    Determine if employee earned overtime pay

  51:      def getOverTime()

  52:          if( @hours > 40 )

  53:              return (@hours - 40)

  54:          end

  55:          return 0

  56:      end

  57:      

  58:      #    Calculate employee's gross pay

  59:      def getGrossPay()

  60:          if( getOverTime() > 0 )

  61:              return ( (@hours*@rate) + (@rate*getOverTime())*1.5 )

  62:          else

  63:              return ( @hours*@rate )

  64:          end

  65:      end

  66:  end

  67:   

  68:  #    Custom method to determine if a string value can be parsed as a numeric value

  69:  def isNumeric(s)

  70:      begin

  71:          Float(s)

  72:      rescue

  73:          false # not numeric

  74:      else

  75:          true # numeric

  76:      end

  77:  end

  78:   

  79:  #

  80:  #    'main()'

  81:  #

  82:   

  83:  #    get user's name

  84:  puts( "Hello! And your name is...? " )

  85:  name = gets()

  86:   

  87:  #    get user's payrate

  88:  puts( "What is your payrate? " )

  89:  rate = gets()

  90:   

  91:  #    cycle error message until a valid payrate value is entered

  92:  while( !isNumeric(rate) )

  93:      puts( "Invalid payrate value! Please enter only numbers or a decimal point!" )

  94:      puts( "What is your payrate? " )

  95:      rate = gets()

  96:  end

  97:   

  98:  #    get user's work hours

  99:  puts( "How many hours did you work? " )

 100:  hours = gets()

 101:   

 102:  #    cycle error message until a valid hours value is entered

 103:  while( !isNumeric(hours) )

 104:      puts( "Invalid hours value! Please enter only numbers or a decimal point!" )

 105:      puts( "How many hours did you work? " )

 106:      hours = gets()

 107:  end

 108:   

 109:  #    create a new Employee object using name, rate, & hours

 110:  emp = Employee.new( name, rate, hours )

 111:   

 112:  #    display message if employee earned overtime

 113:  if( emp.getOverTime > 0 )

 114:      puts( "You earned overtime!" )

 115:  end

 116:   

 117:  #    print gross pay

 118:  puts( "Your gross pay will be $#{emp.getGrossPay()}" )

 119:   

 120:  #

 121:  #    End 'main()'

 122:  #