This article shows how to connect a Java web application developed with Jakarta EE and Vaadin to a MySQL database using the Data module of Apache DeltaSpike.
Bags are data structures that permit holding duplicates in any order. This is similar to a physical bag, where you could also put any elements and take them out randomly.
We discuss how to easily configure an SSL/TLS connection in Java to secure your application better. This setup can also easily be used for Scala and Kotlin.
Formatting Strings in Java can seem overwhelming, but it's simpler than it looks. In this article, we cover the basics and provide easy-to-reference tables.
Always forgetting the Java String formatting specifiers? Or maybe you never took the time to learn. Here's a reference of the various flags you can use.