Question: Is Input/output Filtering Possible With Java? - Java ...

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3 Replies - 48 Views - Last Post: Yesterday, 03:50 PM Rate Topic:

#1 GeniusInc ?

Reputation: 0

• Posts: 1
• Joined: Yesterday, 03:27 PM

Posted Yesterday, 03:38 PM

Hi, I apologize if I am posting this in the wrong place. I just joined for help with this problem. (A little background, I code for fun and am fairly new with Java)

I want to make a program that can accept input in a text box (The large ones, not the one line kind), filter out parts of the input, and export this output to a text file or other sort of data base.

For example, I would take the following info (say off a forum. a quick copy on paste of the general area)

"Jimmy
N00b

Posts: 2

Re: Introduce yourself!
? Reply #1207 on: Today at 07:52:52 AM ?
QuoteModifySplit Topic
Name: Jim
Age: 24
Location: New York City

Report to moderator "

And filter out these lines

"Name: Jim
Location: New York City"

Then output in this format

"Jim - New York City"

Do you understand what I mean? I'm sorry if I am not clear. I have not tried to start writing this code yet, because I do not know if it is possible.

Is This A Good Question/Topic? 0

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Replies To: Question: Is input/output filtering possible with Java?

#2 ryanisis ?

Reputation: 2

• Posts: 11
• Joined: 24-September 12

Re: Question: Is input/output filtering possible with Java?

Posted Yesterday, 03:47 PM

I'm not sure off hand of the "simplest" way to approach this problem. But I think I could at least point you in the right direction by mentioning the use of Java's substring methods which would allow you to pick apart the text. I suppose you could use nested loops to increment to a delimiter for which to begin the text you want to extract and then increment until you find the end of this. Sort of a rudimentary parsing code I guess, that would work if the format of the input string was always consistent.

There's also a "replace" method in Java's string class which can be used to remove symbols and specific characters which could also be useful.

I'd say the problem is definitely possible though. A good bit of messing around to figure out what works best. I'll dig around and see if I can find any more useful information.

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#3 macosxnerd101 ?

Reputation: 9056

• Posts: 33,609
• Joined: 27-December 08

Re: Question: Is input/output filtering possible with Java?

Posted Yesterday, 03:48 PM

You can create a JTextArea and use it with your JOptionPane dialog. Then after the user clicks the OK button, you can getText() on your JTextArea.

 JTextArea area = new JTextArea(); JOptionPane.showConfirmDialog(null, area); System.out.println(area.getText()); 

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#4 pbl ?

Reputation: 8040

• Posts: 31,233
• Joined: 06-March 08

Re: Question: Is input/output filtering possible with Java?

Posted Yesterday, 03:50 PM

GeniusInc, on 29 May 2013 - 06:38 PM, said:

I want to make a program that can accept input in a text box (The large ones, not the one line kind), filter out parts of the input, and export this output to a text file or other sort of data base.

This is possible in any language that I know, don't see why Java would be different and thus your question

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