How to resolve update-binfmts: warning: current package is oracle-java8, but binary format already installed by openjdk-7

I earlier had Oracle Java 7 installed on my Linux box. I upgraded to Oracle Java 8 as follows (below commands to be typed in a terminal window): $ sudo apt-get purge oracle-java7-installer <enter> $ sudo apt-get install oracle-java8-installer <enter>

However, when Oracle Java 8 was downloaded and installed, I saw a message like this: . . . → Read More: How to resolve update-binfmts: warning: current package is oracle-java8, but binary format already installed by openjdk-7

How to create a .jar file with entry point using jpackit for your Java application

Download jpackit from this link http://sourceforge.net/projects/jpackit/ Create a jar file of all the *.class files in your java folder $ jar -cvf myapplication.jar *.class <enter>

Start jpackit as follows: $ java -jar jpackit-1.0.2.jar <enter> Now fill in the parameters by clicking the Choose … button next to them

Parameter Value Comment Base Dir /home/user/myapplication The . . . → Read More: How to create a .jar file with entry point using jpackit for your Java application

September 2019
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