Dec 4, 2016 · 263 You need to specify a Main-Class in the jar file manifest. Oracle's tutorial contains a complete demonstration, but here's another one from scratch. You need two files: Test.java:

I have a JAR file named helloworld.jar. In order to run it, I'm executing the following command in a command-line window: java -jar helloworld.jar This works fine, but how do I execute it with dou...

Nov 26, 2008 · Jar file is moved to "Referenced Libraries" node, where it can be opened and navigated in the Project Explorer pane. If seeing source code too is an issue, open a new question.

33 I can't open or run my .jar file. I just installed java, but I tried to open the .jar with other programs first, so the double-click defaults to something else and I can't change it back.

Running a .jar file in a command line works fine, but i am not able to run any .jar file by double clicking on my Windows 7 (64). It seems nothing happens after the double click. I tried the ftype...

Nov 1, 2017 · A Java Exception has occurred. I just create new folder put JAR file inside that folder and also place lib folder that is used for Java project and finally JAR file is working fine.

Feb 24, 2011 · Is there a way to extract the source code from an executable .jar file (Java ME)?

Feb 13, 2012 · When I double click the jar file, the GUI program doesn't start by itself. Instead I have to open the Command prompt and then type java -jar abc.jar and only then it starts up.

Running java without installing jre? Create a folder (lets say PROGRAM) which include folders bin and lib, of your installed JRE. In my computer I can find them at this path: C:\Program …

Jun 30, 2012 · 2 Opening JAR files works with any software that supports the .ZIP file format, like WinRAR. But if you want to access the source code, it gets a little tricky as in a JAR file, the Java …