Tile - Null None – Ylands
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Revision as of 13:53, 3 January 2019
- Null is "nothing". It is supposed to be something that doesn't exist.
- It is possible to empty an object (variable) by setting it to null.
- It is possible to use if statement to test whenever an object is null.
- Calling instructions on null object will cause an error.
Examples
Null test
Wrong use
