I created a short Text adventure in java, and saved it as a .jar file, but it won t open?

Question

i am new to coding and I just finished some basics for Java coding, and decided to make a short text adventure game. I saved it as a .jar file, but whenever I go to open it, it says that the file is either invalid or corrupt,can someone please tell me how to fix this

Answer 1

You don't "save it as a .jar file", so that makes me think you didn't create the JAR properly. You use the JAR utility to create a JAR file from your compiled .class files. You also need a manifest to specify the main class when the JAR is used to run a program rather than as an extra run-time library.



The official Java Tutorials site at oracle.com has a trail on this if you're working from the command line:

http://docs.oracle.com/javase/tutorial/deployment/jar/index.html



If you use an IDE like NetBeans or Eclipse, all Java executables are automatically packaged as JAR files during the build process.

Answer 2

Recheck your code and rewrite correctly. You cant make this game just by changing format. You need to runit through an IDE or some package bundle.

Answer 3

Hmm. Try right clicking your game, going to properties, and running it in Windows XP mode. If that doesn't work, it's most likely an issue with your code.