Ok, Object Oriented Programming (OOP)is not exactly new, and there are lots of pages on OOP on the web. This page comes from a background of both Python and Kotlin, and how improved programming styles offered by Kotlin can change how you program. Although Kotlin automates newer techniques and provides assistance coding, you can 'backport'… Continue reading OOP: Using Kotlin to improve OOP Skills
Tag: python
Building in Intellij IDEA
This program is relevant for building your first "hello world" and first sample kotlin apps. However, once you have even hello world running, it is recommended now to move to gradle for building, even when building with Intellij. The topics for this page: Introduction: why use Intellij at all. The Roles on an IDE What… Continue reading Building in Intellij IDEA
Python to Kotlin: Variables and Types
Contents: python kotlin boxed objects vs unboxed primitives None, Nothing, Unit and null null safety Python Variables and Types As explained in the background, all values in python are objects stored in dynamic 'heap' memory, and variables are simply references to these objects. This means the only static or stack frame based information for any… Continue reading Python to Kotlin: Variables and Types
Nullable, null, None, Unit, Nothing and void: the many faces of nothing
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
Extension Functions & Extension Properties
The syntax and rules of extension functions are explained also explained elsewhere, but this page is more tutorial style, covers the background and 'why do we need extensions' and 'what is the benefit', together with simple examples, and even useful examples. The topics are: What are extension functions/properties? What is the advantage of extension functions?… Continue reading Extension Functions & Extension Properties
Python+Kotlin = Python++ 