Java's Calendar class had its day, but the newer LocalDate class does much more. Here are seven ways to use LocalDate in your Java programs.

Overall, Java class loaders are a critical component of the JVM that enables Java programs to load and execute classes dynamically at runtime.

For new Java programmers, the JOptionPane class is a great visual and user-friendly introduction to user input and Swing-based programming. Here's how to get started.

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.