How to Install Java on iPad

Last Updated: January 11, 2018

If you have some kind of Java program on your iPad, and you want to run it, there is a way to install it. It's a bit tricky, and doesn't give quite as much functionality as a PC has, but it does work.

Steps

1
Make sure your device is jailbroken. If you are on IOS 6-6.1.2, use evasi0n.
2
Open up Cydia. Install mobile terminal, Safari download manager, and iFile.

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3
Go to java.com, and view all Java downloads.
4
Download Java 32-bit for Linux (Not Linux RPM).
5
Using i-File, copy the tar.gz file to the install path of your choice.
6
Open up mobile terminal. Use the cd command to change directories to wherever you put the tar.gz.
7
Type: tar xzvf jre-7u45-linux-i586.tar.gz. Replace the 7u45 so that it matches the tar.gz file.
8
Run jars by typing java -jar %jarfile%.

Warnings

Jailbreaking is illegal in some countries. Beware if not in America.

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Jailbreaking can also cause your device to be permanently bricked, and is risky if you don't know what you're doing.

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