AWT vs Swing vs JavaFX
Lewis Coosner
2023-09-20
Sometimes you need to write a rich client graphical user interface in Java. Lewis looks at the standard JSE toolkits: AWT, Swing and JavaFX.
Programming
Sealed Classes in Java
Lewis Coosner
2023-09-12
Sealed classes in Java are a way to control inheritance. This is a new feature in Java 17 and provides a cleaner approach than using access modifiers.
Upgrading from Java 8 to Java 17
Lewis Coosner
2023-09-05
There are good reasons to upgrade from Java 8 to Java 17. Big companies don’t upgrade Java versions easily or quickly. Lewis compares the two versions to explain some of the advantages.
Coding matters: Left bananas and chicken lips
Jacqui Coosner
2023-08-24
I’m a stickler for proper punctuation and spelling. Some people roll their eyes at me, but programmers know better. Part of learning to program is learning that every character counts. A missing symbol, or a character in the wrong place, causes an error. And a bracket is not just a
Coding matters: Hello World
Jacqui Coosner
2023-08-17
If you are a programmer, you might remember writing your first Hello World program. It’s a program that does nothing more than display a message on the screen that says "Hello World". Where did it come from? This is a well-established programming tradition. A Hello World program is simple. It
Unnamed Classes in Java
Lewis Coosner
2023-08-16
A look at the JDK Enhancement Proposal on unnamed classes and instance main methods. This will make it easier for novices to learn Java programming.
Java Class Loaders – Part 1
Lewis Coosner
2023-08-09
Class loaders are important for Java programmers, because they can affect how our code runs. We look at the different types of class loaders and how they work.
Refactoring and The Rule of Three
Lewis Coosner
2023-08-02
The rule of three is a simple code refactoring rule. Refactoring is a disciplined way to improve existing code by changing its internal structure without changing its external behaviour.
Coding matters: Frameworks and super glue
Jacqui Coosner
2023-07-27
Yesterday I needed a drop of super glue to fix something. Although I only needed a drop – and I use the tiny 5ml tubes – I still got some on my fingers. Because that’s almost a rule with super glue. It sticks, and that includes your fingers. And it’s
Microservices and the Scale Cube
Lewis Coosner
2023-07-26
A look at microservices and the scale cube. The scale cube is a model to visualise scaling applications by segmenting and defining microservices.