Can i load and run .exe file from jar file??

Question

I generated a .jar file witch contain an executable (.exe file) under a directory called 'exec'. I can't execute this exe file using
URL urlExecutable = DlgueLancement.class.getResource("/exec/myPrograme.exe");

Answer 1

import java.io.*;
import java.util.jar.*;
import java.util.zip.*;
public class Extracter
    public static File extract(File archive, String filename, File target) throws IOException, ZipException
        if( archive == null )
            throw new IllegalArgumentException("Null archive file");
        if( !archive.exists() )
            throw new IllegalArgumentException("Specified archive does not exists");
        if( !archive.isFile() )
            throw new IllegalArgumentException("Specified archive file is not a file");
        if( filename == null )
            throw new IllegalArgumentException("Null filename");
        if( filename.length() == 0 )
            throw new IllegalArgumentException("Empty filename");
        if( target == null )
            throw new IllegalArgumentException("Null target");
        if( target.exists() && file.length() > 0 )
            throw new IllegalArgumentException("Target file already exists and cannot be overwritten");
        JarFile jar_archive = new JarFile(archive);
        ZipEntry entry      = jar_archive.getEntry(filename);
        if( entry == null )
            return null;
        InputStream istream = null;
        FileOutputStream ostream = null;
        try
            istream = jar_archive.getInputStream(entry);
            if( istream.available() == 0 )
                return null;
            byte[] buffer = new byte[istream.available()];
            istream.read(buffer);
            ostream = new FileOutputStream(target);
            ostream.write(buffer);
            return target;
        finally
            if( istream != null )
                try{istream.close();}catch(Exception e){}
            if( ostream != null )
                try{ostream.close();}catch(Exception e){}
}