Version
Example: Environment variables
- Contents
- Description
- Notes
- Solution
- Output
Description
Using features from the class EXECUTION_ENVIRONMENT
to create and retrieve an environment variable.
Notes
The make
procedure of the class APPLICATION
below uses the features put
and get
, inherited from the class EXECUTION_ENVIRONMENT
, to create the environment variable MY_VARIABLE
with value "Hello World!", and then to retrieve the value by key and print it.
Solution
class APPLICATION inherit EXECUTION_ENVIRONMENT create make feature {NONE} -- Initialization make -- Create and retrieve an environment variable. do put ("Hello World!", "MY_VARIABLE") print (get ("MY_VARIABLE")) end end
Output
Hello World!
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