However, many versions of Java are actively maintained for compatibility purposes. The latest version of Java is Java 20 or JDK 20 released on March, 2023. It is capable of creating and compiling programs. It has everything the JRE has, but also the compiler (javac) and tools (like javadoc and jdb). The JDK is the Java Development Kit, the full-featured SDK for Java. However, it cannot be used to create new programs.
It is a package of everything necessary to run a compiled Java program, including the Java Virtual Machine (JVM), the Java Class Library, the Java command, and other infrastructure. Contains everything required to run Java applications on your system. The JRE is the Java Runtime Environment, it covers most users needs. If you're developing Java applications, you'll want to download the JDK, which also includes the JRE. If you need to run Java applications, downloading and installing the JRE is enough. Java SE is the standard version of Java, it includes libraries for desktop applications, networking, security, database access, and more.
