JDK 17

People new to Java may be confused about whether to use the JRE or the JDK. To run Java applications and applets, simply download the JRE. However, to develop Java applications and applets as well as run them, the JDK is needed .

JDK in Java is an abbreviation for Java Development Kit . It is a bundle of software development tools and supporting libraries combined with the Java Runtime Environment (JRE) and Java Virtual Machine (JVM).

The JDK is a development environment for building applications, applets, and components using the Java programming language . The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java platform.