Learning Roadmap from Java to SQL to Spring Boot: The Order of Study for Aspiring Web App Developers with No Experience

I'm studying Java, but I don't know what to learn next.I often hear the terms SQL and Spring Boot, but how are they ...
InfoWorld

Classes and objects in Java

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...
InfoWorld

When to use abstract classes vs. interfaces in Java

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...
MUO on MSN

Java has been on your computer your whole life and here's what it actually does

That old Java icon had a much bigger résumé than I gave it credit for.
LWN.net

Java programming dynamics, Part 1: Classes and class loading (IBM developerWorks)

Dennis M. Sosnoski discusses the Java binary class on IBM's developerWorks. "Take a look at what goes on behind the scenes of executing your Java application in this new series on the dynamic aspects ...

[Java Programming Proficiency Test Grade 2] Problem Collection | 60 Original Multiple-Choice Questions with Explanations for All Options

Verify your understanding of the grammar, object-oriented programming, exceptions, and collections covered in the Java ...
Ars Technica

How can I bundle a Java program into an executable file format?

I'm taking an introductory Java programming class right now and I'm looking for a way to compile, or bundle my program into an executable file - similar to how Visual Studio created an executable when ...