1. Introduction to Design Patterns Definition of a design pattern.

From the Hacker’s Manifesto:) In deference to the author, I’ve not changed any of his punctuation.

Class diagrams are part of UML (Unified Modeling Language), which is a standardized graphical representation for specifying, visualizing, constructing, and documenting the artifacts of software systems.

Update your Java Update your Java, please. Visit https://www.oracle.com/nz/java/technologies/downloads/ and choose your appropriate version.

In object-oriented design and programming, the concepts of aggregation and composition are used to establish relationships between classes.

Every time I hear something new, I open up a new Chrome tab on my iPhone and save it for later.

I am addicted to opening new tabs. I even created a browser extension to show me all my countdowns because I see that window so often.

The structure of English in Miami is being changed by Spanish speakers.

In Java, you can traverse a HashMap in several ways. Here are some of them:

Enumerations (enums) in Java are a special type of class that can have a set of constant values.