new files

Task/Collections/Ruby/collections-1.rb

@@ -0,0 +1,8 @@
+# creating an empty array and adding values
+
+a = []            # => []
+a[0] = 1          # => [1]
+a[3] = 2          # => [1, nil, nil, 2]
+
+# creating an array with the constructor
+a = Array.new     # => []