Updating java when using JDK and JRE

Ok, so after you make a program in java and compile it, you then install the new update of java. Wouldn't the virtual machine(JRE) or java development kit(JDK) notice something thats different and bring up an error?
Do you have to use the same JDK as JRE that you have, because if you didn't have the most updated one, wouldn't there come up with an error?
Last question, if you have used the command line to compile a program, then you know that you need to use javac to compile and java to run it. Well when you use the command javac to compile, then you are using the JDK; and if you use the java command to run it, then you are using JRE. This is just a question to make sure that I have this correct, So correct me if I'm wrong.

brown16b wrote:
Ok, so after you make a program in java and compile it, you then install the new update of java. Wouldn't the virtual machine(JRE) or java development kit(JDK) notice something thats different and bring up an error? Why? A newer Java version should be able to execute programs compiler for a prior version.
Do you have to use the same JDK as JRE that you have, because if you didn't have the most updated one, wouldn't there come up with an error?Eh, what?
Last question, if you have used the command line to compile a program, then you know that you need to use javac to compile and java to run it. Well when you use the command javac to compile, then you are using the JDK; and if you use the java command to run it, then you are using JRE. This is just a question to make sure that I have this correct, So correct me if I'm wrong.It's correct.

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This forum is for Sun Java Studio Creator product only... We'll be happy to assist you anytime if you have trouble installing or using this product. :-)

Upgrading JDK and JRE in 10.2.0.4 Oracle_Home of 11.5.10.2 EBS ?

I've tried to find something at Metalink but failed.
What's the lastest Java Version certified to use with the database ORACLE_HOME (10.2.0.4) in 11.5.10.2 EBS? And what's the procedure to update it?
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There is no special cause. I'm trying to keep our installations current.
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Could someone please let me know what are the JDK and JRE versions that are comptabile with Windows server 2008 ?
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This posting is provided "AS IS" with no warranties, and confers no rights.

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It's an extremely important skill to learn how to search the web. Not only will it increase your research and development talents, it will also save you from asking questions that have already been answered numerous times before. By doing a little research before you ask a question, you'll show that you're willing to work and learn without needing to have your hand held the entire time; a quality that is seemingly rare but much appreciated by the volunteers who are willing to help you.
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Whatz the difference between jdk and jre

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Revision: 15119
Revision: 15119
Author:   [email protected]
Date:     2010-03-29 13:49:52 -0700 (Mon, 29 Mar 2010)
Log Message:
Menu.popUpMenu textAlign should be start rather than left so it works correctly when using FTEText and direction=rtl. Also made same change for AccordionHeader, CheckBox and RadioButton just to be safe.
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Reviewed By: Kevin
Tests run: checkintests
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Updating java when using JDK and JRE

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