Solved

How to apply numeric validation in java core.

Posted on 2013-06-10
3
222 Views
Last Modified: 2013-06-10
I have an windows frame, with TextField tf=new TextField("",30);

I want that the usershould be able to type only numbers there.
0
Comment
Question by:searchsanjaysharma
3 Comments
 
LVL 19

Accepted Solution

by:
mrwad99 earned 500 total points
ID: 39234344
This is quite a common question.  The best answer I have seen is actually a video: check it out at http://www.youtube.com/watch?v=9B5ZgItFxNA

HTH
0
 
LVL 26

Expert Comment

by:ksivananth
ID: 39234363
check JFormattedTextField, e.g.,

numberField = new JFormattedTextField(NumberFormat.getInstance());
0
 

Author Closing Comment

by:searchsanjaysharma
ID: 39235413
tx
0

Featured Post

Industry Leaders: 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

Suggested Solutions

Title # Comments Views Activity
login jsp example 24 84
String array comparison 4 44
Java class and jar 3 41
How to overcome error: The method of type x must override y or implement a supertype method 4 23
Are you developing a Java application and want to create Excel Spreadsheets? You have come to the right place, this article will describe how you can create Excel Spreadsheets from a Java Application. For the purposes of this article, I will be u…
Go is an acronym of golang, is a programming language developed Google in 2007. Go is a new language that is mostly in the C family, with significant input from Pascal/Modula/Oberon family. Hence Go arisen as low-level language with fast compilation…
Viewers learn about the “for” loop and how it works in Java. By comparing it to the while loop learned before, viewers can make the transition easily. You will learn about the formatting of the for loop as we write a program that prints even numbers…
Viewers will learn one way to get user input in Java. Introduce the Scanner object: Declare the variable that stores the user input: An example prompting the user for input: Methods you need to invoke in order to properly get  user input:

679 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