ruby/classes.rb at main · donkennie/ruby · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
# class Car

#      @name
#      @module
#      @topspeed


#      def initialize(name, model, topspeed)

#         @name = name
#         @model = model
#         @topspeed = topspeed

#     end

#     def getName()
#         puts "Car name is #{@name}"

#     end

# end

# car1 = Car.new("Ktuy", 2020, 100)

# car1.getName()


# class Human


#     def evole

#         puts "Human evole"
#         end

# end

# class Person < Human

#     @@persons = 0

#     def initialize(id, name, age)
#         @id = id
#         @name = name
#         @age = age
#         @@persons += 1

#     end

#     def intro
#         puts "My name is #{@name} and my age is #{@age}"
#     end

#     def self.getPersonCount

#         return @@persons
#     end


#     def evole
#         puts "People evole"
#     end

# end

# p1 = Person.new(1, "joe", 25)

# p2 = Person.new(2, "james", 30)

# p2.intro()

# puts Person.getPersonCount

# p1.evole()


class Box


    def initialize(h, w)

        @height = h
        @width = w

    end

    def getHeight

        return @height

    end

    def getWidth

        return @width

    end

    def setHeight(h)
        @height = h
    end

    def setWidth(w)
        @width = w
    end

    def getArea
        return @height * @width
    end


   # private :getHeight, :getWidth, setHeight, :setWidth

    public :getArea

end

b1 = Box.new(0, 0)
b1.setHeight(20)
b1.setWidth(10)

puts b1.getHeight
puts b1.getWidth
puts b1.getArea