Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality, that ...

An interface is implicitly abstract. You do not need to use the abstract keyword when declaring an interface. Each method in an interface is also implicitly abstract, so the abstract keyword is not ...

The most popular articles on TheServerSide tend to be the highly technical ones that hit directly at the heart of the enterprise Java developer. While we report important news, discuss interesting ...

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

So, I'm new to the whole Java and programming thing. I've been working my way through Thinking in Java and Just Java 2. So far, it has gone very well. I think the two resources complement each other ...

If you use RedHat or PCQLinux, you may be familiar with neat configuration tools, such as ntsysv, netconfig and redhat-config-securitylevel-tui, which use a TUI (Text User Interface) for configuring ...