JDK in JAVA

JDK is the software development environment used to develop Java applications and applets. It is a combination of packages, JRE (Java Runtime Environment), and JVM (Java Virtual Machine). JRE must be installed before you can launch a program or application. However, JDK must be installed on the user's computer to compile and run an application. Developers can easily download NetBeans, Eclipse, and MyEclipse on the Oracle website or other websites combined with JDK.

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