Ive made a small program which imitates windows notepad. runs fine wen i compile using textpad. but wen i tried to make a jar out of it and run it. here's wat i get: http://i37.tinypic.com/23if4vr.jpg manifest.txt contains "Main-Class: Notepad " with a carriage return. the classes are : JFontChooser.class jmpDialog.class Notepad.class winDialog.class winForm.class fndDialog.class repDialog.class wat am i doin wrong here? Help!
UnsupportedClassVersionError means you are trying to use a class that was compiled with a newer version of the compiler than your runtime. It has nothing to do with .jar files.