i want to know how to make a jar app which will run on java mobile platform using class file of java.i know basics of java like inheritance,interface,string.....I tried this thing by compiling my java program of simple input/output and then converting it to jar using -jar in cmd.but i dont know why it is not working on mobile showing invalid file.plz help me.
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1 Answer
If you want to create a jar application, starting from a java class,you don't have to use java -jar filename.jar, this is only for execution.
Try this: jar cf your_jar_app.jar your_class_file.class
c option is needed to create file and f option is needed because you want an output file.
Then you can execute typing: java -jar your_jar_app.jar
Hope this can help you.
For documentation: Oracle Documentation for creating JAR fileIf you are using NetBeans IDE, take a look to: NetBeans Packaging and Deploying Java Applications
Alberto SolanoAlberto Solano