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B4J Question Benefits of the two versions Java 11.x or Java 8.x
- Thread starter Markos
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I recommend using OpenJDK 11 (download from: https://www.b4x.com/b4j.html).
No need to create an Oracle account, it is newer, and it is compatible with B4J Packager 11 which is better than Oracle packager tool (wrapped by the old B4J Packager).
There is one advantage to Java 8, which is the support for executable jars. This is especially useful for small utilities.
No need to create an Oracle account, it is newer, and it is compatible with B4J Packager 11 which is better than Oracle packager tool (wrapped by the old B4J Packager).
There is one advantage to Java 8, which is the support for executable jars. This is especially useful for small utilities.
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Java 8 can target 32bit and 64 bit O/S (there is a 32 bit version of Windows 10) Java 11 is 64 bit only. I use both Java 8 and Java 11 (both open JDK). For packaging Java 8 I use Launch 4J and BJ packager 11 for 11. With a bit of fiddling (mainly to do with layout in Java FX) it is possible to have a project that can be built in Java 8 for 32 bit and Java 11 for 64 bit.
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Great responses Erel & keirS !
Just 4 quick questions..
1) The use of Java 11 applies to b4a and b4i as well?
2) Secondly is there a package for Java 8 or is that the old b4jpacker?
3) An executable Jar can run at command prompt without jave.exe prefix? But needs Java present on that system?
4) An executable Jar runs on linux and Mac as well?
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It is on the b4j page but here is the link below
Java11
If after you download it, unzip it to c:\java11, take care it doesnt create \java11\jdk-11.0.1\jdk-11.0.1, if it does just collapse back the contents to the 1st \jdk-11.0.1 folder.
If you want to go more into the Installation you may have to open a new thread and state explicitly if it's B4J installation or other
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So you cant download the java sdk? You are behind a firewall that blocks download of ZIP files?
That can be either black listed or perhaps more so a buggy or tainted Browser. Try a different browser Firefox if not already.
You are new to B4J? What have you downloaded so far that you could download for B4J. If all else fails I can always put the JDK on my ftp server and give you that link. Hopefully isnt your IP is blocked but maybe your computer time stamp is off which could happen.
Anyway that's enough for your to respond to if helps get over that download hurdle.
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The link https://b4xfiles-4c17.kxcdn.com/jdk-11.0.1.zip doesn't work for me using many browsers (chrome, ie) from more than one location.
I could download from openjdk and openjfx but I'm not sure how to get them working together. I could start a new thread for that if needs be
I could download from openjdk and openjfx but I'm not sure how to get them working together. I could start a new thread for that if needs be
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Just tried it and it works with Edge.
You need to go here: https://www.b4x.com/b4j.html
And then click on the download link. It will not work if you enter the link directly.
You need to go here: https://www.b4x.com/b4j.html
And then click on the download link. It will not work if you enter the link directly.
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Hi Erel.
Raspian isn't available in 64-bit.
I mention that because there are many questions about raspberry in the forum. I know there are some build of Java sdk 11 in 32-bit but I'm not sure how reliable they are. I personally use JDK 8 for my pi's.
Andreas.
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Yes... exactly my thoughts! There are also a lot of other boards out there with ARM7 processors (32 bit) which will need Java 8
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