Solved

List Find

Posted on 2002-06-24
5
185 Views
Last Modified: 2010-03-31
Hi Everyone,

  Ok, so I am pulling a String from a database field, that is a comma-delminated list.  It's a list of zip codes... so for instance "00101, 44303, 55101".  I need a way to find if a zip is in that list.

So with the above list, if I searched for 44303, it would come back true, but if I search the above list for 55555, it would come back false.

  I just need to know how to search through that list.
Like in ColdFusion you would just go:

ListFind(list, valueToSearchFor, delimeter)

Something along the same lines as that.

Any ideas?

Thanks
Ben
0
Comment
Question by:bptacek
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
5 Comments
 
LVL 33

Expert Comment

by:knightEknight
ID: 7105170
how about indexOf ?

String zips = "00101, 44303, 55101";

if ( zips.indexOf("44303,") >= 0 )
  return true;
else
  return false;
0
 
LVL 33

Expert Comment

by:knightEknight
ID: 7105176
so, a function to do this:

boolean zipExists(String zipToFind, String zipList)
{
   if ( zipToFind==null || zipList==null )
      return false;

   if ( zipList.indexOf(zipToFind+",") >= 0 )
      return true;
   else
      return false;
}

boolean rc = zipExists( "44303", "90210, 44303, "54321" );
0
 
LVL 33

Accepted Solution

by:
knightEknight earned 50 total points
ID: 7105178
hmm, maybe you don't need to look for the comma (in case it is at the end of the list)

if ( zipList.indexOf(zipToFind) >= 0 )
0
 

Author Comment

by:bptacek
ID: 7105207
Ok, I am checking it out right now.

ben
0
 

Author Comment

by:bptacek
ID: 7105236
That will do it sir! Thanks, here's your points.

Ben
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Java contains several comparison operators (e.g., <, <=, >, >=, ==, !=) that allow you to compare primitive values. However, these operators cannot be used to compare the contents of objects. Interface Comparable is used to allow objects of a cl…
By the end of 1980s, object oriented programming using languages like C++, Simula69 and ObjectPascal gained momentum. It looked like programmers finally found the perfect language. C++ successfully combined the object oriented principles of Simula w…
The viewer will learn how to implement Singleton Design Pattern in Java.
This tutorial will introduce the viewer to VisualVM for the Java platform application. This video explains an example program and covers the Overview, Monitor, and Heap Dump tabs.

717 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question