What is the difference between the JRE and the JDK ? JRE (Java Runtime environment)JDK (Java Development Kit)It is an implementation of the Java Virtual Machine* which actually executes Java programs.It is a bundle of software that you can use to develop Java based applications.Where to get Java technical information www.java.com › download › help › techinfo
Read moreDo I need to install Java or JDK?
2) Java has a separate installation for development because it is a compiled language . You need a compiler and some supporting files and classes (that is, the JDK) to develop software. But you don’t need that to run Java programs, you just need the Java Runtime Environment.
Read moreDo you need a JDK for Java?
Typically, if you are only interested in running Java programs on your machine or browser, you only need to install JRE. However, if you would like to develop an application and do Java programming, you will need JDK .
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