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SDK and JRE
Java 2 Standard Edition (J2SE) comes in two forms: JDK (development kit) and JRE (execution environment). Please select which one to install depending on your intent.
- JDK (Java Development Kit)
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- Required for developing software in Java programming language.
- Contains JRE.
- Install this if you intend to modify the software or develop plug-ins for the software.
- JRE (Java Runtime Environment)
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- Required for executing software written in Java programming language.
- Install this if you just intend to use the software.