Programming

Learn to program in 5 minutes! Except that you can’t. There is no miraculous way to learn new skills in minutes.

Lewis introduces a new enhancement in Java: statements before super()

Lewis explains the instanceOf operator for pattern matching, and how to use the JEP documents to keep informed of new Java developments.

Lewis gets curious: which JVM/JDK versions are developers actually using, and from which manufacturers? He takes a look at various reports.

The Law of Demeter is a guideline for software design. It is also known as the principle of least knowledge. Simply put: “*Only talk to your immediate friends, don’t talk to strangers*.”

We often see the terms “Architectural Style”, “Architectural Pattern”, “Design Pattern” and “Programming Idiom”. What do they mean? What are the differences between them?

A fluent interface in Java makes it easier to use a class. Fluent interfaces make our Java code more readable. Lewis looks at some Java examples of fluid interfaces.

You might have heard the terms: little-endian, big-endian or endianness. Lewis provides a simple explanation of the difference between little-endian and big-endian.

The Java Virtual Machines manages memory. PermGen is part of the non-heap memory. From Java 8, PermGen was replaced by a new memory area called MetaSpace. Lewis explains the difference, and reminds developers to monitor memory usage.

Lewis shares some tips for Java programmers. These are reminders that he often repeats on every course. They are simple, obvious, and yet still sometimes forgotten. These apply to almost every programmer, so read on even if you don’t code in Java.