Null Safety

Nullable, null, None, Unit, Nothing and void: the many faces of nothing

30 July, 201812 March, 2019 innov8ian2 Comments

Python has only one way of saying 'there is nothing here': None. Java has the keyword 'void' and the value 'null', kotlin has Unit, Nothing and null. What is the actual difference in meaning for all of these? Python None Kotlin Unit, null and Nothing Java void and null The concept of 'Nullable' Null Safety… Continue reading Nullable, null, None, Unit, Nothing and void: the many faces of nothing

30 May, 201712 March, 2019 innov8ian4 Comments

To java programmers, 'Null Safety' can sound like the 'Holy Grail'. To python programmers, 'Null Safety' can sound like solving a problem they never had. So what is 'null' safety? Firstly, if you any questions on what 'null' is, then check the page None, Unit, Nothing, void and null. Null safety is all about preventing… Continue reading Null Safety