Difference between the JRE and the JDK ?
- JRE is implementation of Java Virtual Machine, Which actually executes Java Programs. JDK is a bundle of software used to develop Java Applications.
- JRE is lesser than JDK, so it needs lesser space. JDK needs more disk space as it contains the JRE, along with various development tools.
- Usually, when you only care about running Java programs on your browser or computer you will only install JRE. It's all you need. On the other hand, if you are planning to do some Java programming, you will also need JDK.
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