Can not run jar file

Question

hello please kindly help me with this i don t know what it mean i just creat a jar file on my vita os but does not run if i click on it it show this error
Failed to load Main-Class manifest attribute from C:\yoruba\hakimadenew.jarwhat does mean

Answer 1

i just try this it crate a jar file but not excuting
C:\>cd \mywork
Set path to include JDK?s bin.  For example:
C:\mywork> path c:\Program Files\Java\jdk1.5.0_09\bin;%path%
Compile your class(es):
C:\mywork> javac *.java
Create a manifest file:
C:\mywork> echo Main-Class: DanceStudio >manifest.txt
Create a jar file:
C:\mywork> jar cvfm DanceStudio.jar manifest.txt *.class
Test your jar:
C:\mywork> DanceStudio.jar