Rob O'Leary

Blog

  1. A narrow wooden tray has 2 coffees on it. The first is a small porcelain white cup on a saucer. The second is a small glass containing a latte.

    Shall I enumerate the ways you drink me? Java enumerations

    An enum is a data type with a fixed list of related constants. Learn the why, when, and how of enums in Java.

  2. A blank file is shown against a pale blue background.

    Dates in Java 8 and beyond 📆

    The java.time package was introduced in Java 8 to make dates easier to use. In this article, I cover some common use cases.

  3. A blank file is shown against a pale blue background.

    Class Diagrams - Typical Format and Best Practices

    Class diagrams are used to show the structure and content of our application. Let discuss the typical format of the diagrams.