Size and elements in a two-dimensional array : Multidimensional Arrays « Array « Ruby

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Ruby » Array » Multidimensional Arrays 
Size and elements in a two-dimensional array


a = [123[456]]
p a.size                                 # => 4
p a << a                                 # => [123[456][...]]
p a.size                                 # => 5

a[0]                                   # => 1
a[3]                                   # => [456]
a[3][0]                                # => 4
a[3].size                              # => 3

a[-2]                                  # => [456]
a[-1]                                  # => [123[456][...]]
a[a.size-1]                            # => [123[456][...]]

a[-1][-1]                              # => [123[456][...]]
a[-1][-1][-1]                          # => [123[456][...]]

 
Related examples in the same category
1.What is a multi-dimensional Arrays
2.Combine three arrays to create multi-dimensional array
3.flatten a multi-demensional array
4.transpose a multi-demensional array
5.Convert a two-dimensional array to a hash
6.Three dimensional array
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