Re: Self-executing JAR

From:
Lew <lewbloch@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 16 Apr 2012 15:51:46 -0700 (PDT)
Message-ID:
<29862773.2344.1334616706236.JavaMail.geo-discussion-forums@pbvs10>
Tim Slattery wrote:

More info:
Here's the class:

public class Main {
    public static void main(String[] args)
    {
        System.out.println("Here I am!");
        try
        {
            SimpleDateFormat sdf = new
SimpleDateFormat("MM/dd/yyyy");
            sdf.setLenient(false);
            Date mydate = sdf.parse("2/29/1900");

There was no such date, you know.

             System.out.println("Good date: " + mydate.toString());
        }
        catch (ParseException ex)
        {
            System.out.println("ParseException: " +
ex.getMessage());
        }

    }

    /* (non-Java-doc)
     * @see java.lang.Object#Object()
     */
    public Main() {
        super();
    }

You don't need to specify that constructor, as it will be generated for you, and you certainly never need to call the no-argument 'super()'.

You're missing a closing curly brace.

I export "Main.jar". To invoke from the command line, I type
"Main.jar". Nothing but a command prompt. I have jedit installed. If I
go to its directory and type "jedit.jar", it jumps right up. Therefore
I assume that the JRE can be found.


What happens if you use the "java -jar" command?

--
Lew

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