Variables are the bread and butter of coding. Without variables, apps would have no interactivity and no way of manipulating information. Therefore, learning about variables in Java should be among ...

Learn how to use statements like if, if-else, switch, for, and while to declare variables and specify expressions, make decisions, iterate over statements, and more. Java applications evaluate ...

When I first learned to program, it was grasping if statements that helped it all click into place for me. Once you can use if statements, you can build all kinds of useful and interesting tools.

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 ...

For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

Naming conventions are important if you're a Java developer. Naming conventions not only make your Java code easier to read, they make your code self-documenting as well. Fellow developers can tell in ...