Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

This course introduces students to object oriented programming with Java(TM). Basic concepts are introduced early, with a strong focus on classes. Additional topics include event driven (Windows) ...

The JDK is the development platform for building Java applications. Learn about different JDK versions, then install a JDK in your development environment and use it to compile a Java program. The ...

Java 25 LTS is officially here, and with it comes a massive update to IntelliJ IDEA. The new version is all about making the ...

If you're not familiar with object-oriented programming, some of the concepts can be hard to understand, especially if you're a longtime procedural language programmer. Follow along as we take a look ...

You know what they say: CS is the new econ. It feels like everyone at Columbia has taken, is taking, or plans to take at least one computer science class during their time here. If you fall into the ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.