Running compiled programs in command prompt

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Albert - 19 Dec 2007 23:29 GMT

Hi, I should know how to do what it says in the subject of this post,
but I don't. I've almost finished Sams Teach Yourself Java in 24 Hours
3rd Edition and now I need to pass some arguments to the program via
command prompt but the book only covers 1.4.

java program [arguments] when i cd it to the directory containing the
class

doesn't work.

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Knute Johnson - 19 Dec 2007 23:35 GMT

> Hi, I should know how to do what it says in the subject of this post,
> but I don't. I've almost finished Sams Teach Yourself Java in 24 Hours
[quoted text clipped - 5 lines]
>
> doesn't work.

public class test7 {
public static void main(String[] args) {
for (String arg : args)
System.out.println(arg);
}
}

C:\Documents and Settings\Knute Johnson>java test7 one two three
one
two
three

It doesn't matter which version of the JDK that you have, command line
arguments have not changed.

Signature

Knute Johnson
email s/nospam/knute/

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Albert - 19 Dec 2007 23:52 GMT

> > Hi, I should know how to do what it says in the subject of this post,
> > but I don't. I've almost finished Sams Teach Yourself Java in 24 Hours
[quoted text clipped - 26 lines]
> Knute Johnson
> email s/nospam/knute/

I can't get this to work:

class DivideNumbers {
public static void main(String[] arguments) {
if (arguments.length == 2) {
int result = 0;
try {
result = Integer.parseInt(arguments[0]) /
Integer.parseInt(arguments[1]);
System.out.println(arguments[0] + " divided by " +
arguments[1] + " equals " + result);
}
catch (NumberFormatException e) {
System.out.println("Both numbers must be numbers");
}
catch (ArithmeticException e) {
System.out.println("You cannot divide by zero.");
}
}
}
}

java dividenumbers 2 2

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Arne Vajhøj - 19 Dec 2007 23:58 GMT

> I can't get this to work:
>
[quoted text clipped - 19 lines]
>
> java dividenumbers 2 2

It would have been a bit easier to troubleshoot if you
had posted the error !

But a guess:

java -cp . dividenumbers 2 2

Arne

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Patricia Shanahan - 20 Dec 2007 00:01 GMT

>>> Hi, I should know how to do what it says in the subject of this post,
>>> but I don't. I've almost finished Sams Teach Yourself Java in 24 Hours
[quoted text clipped - 27 lines]
>
> class DivideNumbers {

...

> java dividenumbers 2 2

Have you tried "java DivideNumbers 2 2"?

Patricia

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Albert - 20 Dec 2007 06:09 GMT

> >>> Hi, I should know how to do what it says in the subject of this post,
> >>> but I don't. I've almost finished Sams Teach Yourself Java in 24 Hours
[quoted text clipped - 34 lines]
>
> Patricia

Thanks a lot. Problem solved

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Lew - 20 Dec 2007 13:48 GMT

>>> I can't get this to work:
>>> class DivideNumbers {
>> ...
>>
>>> java dividenumbers 2 2

Patricia Shanahan wrote:

>> Have you tried "java DivideNumbers 2 2"?

> Thanks a lot. Problem solved

That was it, wasn't it?

Signature

Lew
This post contains one request for information.

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