Groups > comp.lang.java.programmer > #13599

Re: Self-executing JAR

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From	Lew <lewbloch@gmail.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: Self-executing JAR
Date	Mon, 16 Apr 2012 15:51:46 -0700 (PDT)
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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

Thread

Self-executing JAR Tim Slattery <Slattery_T@bls.gov> - 2012-04-16 14:46 -0400
  Re: Self-executing JAR Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-04-16 12:21 -0700
  Re: Self-executing JAR markspace <-@.> - 2012-04-16 12:22 -0700
  Re: Self-executing JAR Tim Slattery <Slattery_T@bls.gov> - 2012-04-16 16:34 -0400
    Re: Self-executing JAR Lew <lewbloch@gmail.com> - 2012-04-16 14:26 -0700
      Re: Self-executing JAR "John B. Matthews" <nospam@nospam.invalid> - 2012-04-16 21:06 -0400
    Re: Self-executing JAR Knute Johnson <nospam@knutejohnson.com> - 2012-04-16 14:35 -0700
    Re: Self-executing JAR markspace <-@.> - 2012-04-16 14:51 -0700
      Re: Self-executing JAR markspace <-@.> - 2012-04-16 15:00 -0700
      Re: Self-executing JAR Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2012-04-17 08:31 +0000
        Re: Self-executing JAR markspace <-@.> - 2012-04-17 07:35 -0700
    Re: Self-executing JAR Lew <lewbloch@gmail.com> - 2012-04-16 15:51 -0700
      Re: Self-executing JAR Tim Slattery <Slattery_T@bls.gov> - 2012-04-17 08:56 -0400
    Re: Self-executing JAR Tim Slattery <Slattery_T@bls.gov> - 2012-04-17 10:49 -0400
      Re: Self-executing JAR markspace <-@.> - 2012-04-17 07:57 -0700
        Re: Self-executing JAR Tim Slattery <Slattery_T@bls.gov> - 2012-04-18 09:06 -0400
  Re: Self-executing JAR Roedy Green <see_website@mindprod.com.invalid> - 2012-04-17 04:24 -0700

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