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Do I need to install the jdk and jre?

 
Ashlon Hill
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From what I understand all I need to develop and run java programs is the JDK right? Since the JDK has the java command to run the program correct? Or do I need to install the JRE in addition?

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Ernest Friedman-Hill
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Sun's JDKs include a JRE. They have to, as most of the tools (the compiler, for example) are themselves written in Java.
 
Ashlon Hill
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Thanks!
 
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