The Single Table Inheritance pattern is a simple and efficient way to map an inheritance hierarchy to a relational database. However, it can lead to sparse tables if subclasses have many unique fields ...

This repository contains examples of commonly used Design Patterns in Java. Design patterns are well-proven solutions to recurring design problems. They help to make the software design more flexible, ...

To demonstrate how to format a table with Java printf statements, let’s create a chart that displays information about Java’s 8 primitive types.. Above is how the finished printf table will look when ...

Aiming at the shortcomings of low development efficiency and high code redundancy of traditional JDBC and improved JDBC in the development of data persistence layer, a new Java EE data persistence ...