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Replied To a Post in Save a textfield data/values into mysql database.
Now that's just silly! `java.lang.NumberFormatException: For input string: ""` One of the text fields was blank and your code tried to do an Integer.parseInt on it. Make sure you fill … -
Replied To a Post in Save a textfield data/values into mysql database.
Yes, try removing it. You are attempting to add the data with resultSet and also with a update query statement. Do one or the other, not both. If the code … -
Began Watching separating a word into syllables
hi guys.iv been trying hard to do a code which requires me to separate a word into syllables in java but i dont no hw to do it. e.g the … -
Replied To a Post in separating a word into syllables
I wrote this a while ago because I wanted to implement the [Fletch readability index](http://simple.wikipedia.org/wiki/Flesch_Reading_Ease). The question really has nothing to do with Java (but of course you can express … -
Began Watching Save a textfield data/values into mysql database.
Good day everyone, I'm trying to save an inputted data using JTextfield in JAVA GUI into MySQL database. But when i pressed the save button nothing happens. I want to … -
Replied To a Post in Save a textfield data/values into mysql database.
Are you getting a sql exception? There is no need for ResultSet here. The sql insert should take care of everything you need. -
Replied To a Post in Update objects on the "Client side" from the "Server"
Massive is relative, but I expected it's too long to just post here. That's why I suggested git. -
Replied To a Post in Update objects on the "Client side" from the "Server"
Please post your code or a link to it on github. -
Began Watching Update objects on the "Client side" from the "Server"
I have a client/server setup. When both are loaded they are identical(Buttons, labels, TextFields and such). When I click a button on the client it performs an action on the … -
Replied To a Post in Update objects on the "Client side" from the "Server"
The way I have handled this in the past is by creating a simple text based messaging system and using UDP to broadcast the messages. This requires that all the … -
Began Watching writing and appending into a file
Hello. I've written a simple program that will once read text into a file and then append some other text when it starts reading again. In other words, adding text … -
Replied To a Post in writing and appending into a file
There are a number of ways of storing Time. The java.util.Date object stores date and time. You can use it to just store time, but it's not ideal. In answer … -
Replied To a Post in Java
To say that an aglorithm works means that we tested it on some input values and verified that it gives us the right answer. What input did you check the … -
Began Watching Class Assignment Prolog 2N+1 puzzle
Hello people from Daniweb, nice to meet you! I am a student and registered today, but I am familiar with these type of sites. Now to the point of this … -
Replied To a Post in Class Assignment Prolog 2N+1 puzzle
Since you have not done this type of problem before, start by doing the problem. By that I mean, play the game. Get some black and white chips or poker … -
Began Watching Java
Hi, i'm new to java, can someone help to solve this question: In Wonderland a man distribute his monthly salary among his family as follows: • Half the salary goes … -
Replied To a Post in Java
This is really not a Java question. It is an algebra question, and we are being asked to represent the answer with Java code. I recommend we start by forgetting … -
Began Watching Is a four year CS degree necessary to become a Java programmer?
Hey there everyone, I have been a computer programming instructor for several years now. I like helping my students, but every year, they are the same age, and have generally … -
Replied To a Post in Is a four year CS degree necessary to become a Java programmer?
Just to illustrate Hiroshe's point, I received an email from a recruiter looking to hire a developer for an application in the medical field in New York. I also teach … -
Began Watching Using ResultSet in java
Hi guys how are you? I am having tough time extracting data from the ms database. I have three rows. WHat I want to do is the extract data from … -
Replied To a Post in Using ResultSet in java
One option is to store each row as an element in a list. For instance, say the table stores Pets. Create a Java object called Pet which has data fields … -
Replied To a Post in Coding
You need to store the Staff object as you search for it. An easier way to do this is with an *enhanced for loop* which uses Iterators for you, but … -
Began Watching Coding
I'm Having a problem with trying to figure out how to get my program to switch from one tab to another after a specific "Jbutton" is clicked. As displayed Below. -
Replied To a Post in Coding
Sorry to hear about your trouble learning Java. Programming should be fun and it can be, but if you fall behind or if a project is assigned that you aren't … -
Began Watching dirname and build.properties
I was studing the ant task dirname. I am in over my head understanding this animal. It suggests to me that I could use build.properties and or build.xml properties . … -
Replied To a Post in dirname and build.properties
I'm not sure what you are looking for with ANT and the command line. What is your goal? What are you trying to accomplish? I use ANT for a few … -
Began Watching set image as Background
Hi, evry1.. i need yur help.. i want to place an image as my background.. how am i supposed to do it..?? i have tried this `setBackground("C:\\image\\background.jpg");`i also tired this … -
Replied To a Post in set image as Background
I think you need to give us some examples. What do you mean by "background?" Are you creating a GUI swing app? If so, then the assumption to use JPanel … -
Replied To a Post in Show a message while a method is running
I'm not clear on why a database is being used at all. Is there no server component, just different clients for the various players all syncing with the same database? … -
Began Watching Show a message while a method is running
I have a button with action listener. When action is performed I call a method to show a label with my message using: Actionperformed(){ ShowMessage(); PerformAction(); } NOTE: This code … -
Replied To a Post in Show a message while a method is running
Shouldn't the shuffle method take only a few miliseconds to run, if that? Swingworker is for tasks that take so long to execute that they will make the UI unresponsive. … -
Gave Reputation to JamesCherrill in Copy from text file to Object type arrayList in Java
Nice example. You can push the Stream usage a bit further, depending on the overall requirements, along the lines of: Files.lines(Paths.get("studentTest.txt")) .map(line -> line.split(":")) .filter(parse -> parse.length == 2) .map … -
Began Watching Copy from text file to Object type arrayList in Java
I'm making a student system with console based java. I'm trying to load a text file's content to an ArrayList and later on search with a student registration number and … -
Replied To a Post in Copy from text file to Object type arrayList in Java
I'm trying to get better with the new Java 8 Streams API and this seems like a good candidate. Here goes: public static void main(String[] args) { final ArrayList<Student> studentList … -
Began Watching Record a video in java
Hello friends, I want to develop a video conferencing project in java.For that i have spent some time to try recording video in java.But i finally thought to get some … -
Replied To a Post in Record a video in java
As part of a First Robotics project (FRC) I placed a live video feed from a web cam mounted to a servo inside of a swing application (without recording the … -
Began Watching Help Me Please
Hi there daniwebers. Its time for my project work and i want to create an sms based application that will aloow users to donate money to charity which will be … -
Replied To a Post in Help Me Please
If this is from a summer college class, then the problem may be that the material was presented more quickly than it could be learned. I have found that CS … -
Replied To a Post in Why is my Wi-Fi Range Extender (802.11g/n) so weak?
My house also has aluminuwm siding, but not everywhere. Moving the range extender to an exterior wall that has vinyl siding made a difference. It's not great, but it's better. … -
Created Why is my Wi-Fi Range Extender (802.11g/n) so weak?
I purchased a Linksys N600 PRO Wi-Fi Range Extender because I would like to be able to work in my backyard. The product claims to expand coverage up to 7500 … -
Began Watching Why is my Wi-Fi Range Extender (802.11g/n) so weak?
I purchased a Linksys N600 PRO Wi-Fi Range Extender because I would like to be able to work in my backyard. The product claims to expand coverage up to 7500 … -
Replied To a Post in i need help on where i can download a javax.speech.*?
stultuske: Thanks for filling in the missing acronym: **jsapi**. That was really my issue with the LetMeGoogleThatForYou answer. A google search and the jar finder didn't quickly lead me to … -
Replied To a Post in i need help on where i can download a javax.speech.*?
The snarky comment listed as the first reply wasn't justified. This jar was not that easy to find. Looking through maven I tracked it down: http://search.maven.org/#search%7Cga%7C1%7Cfc%3Ajavax.speech From the above link … -
Began Watching code jam
please anyone prefer me good books for preparing various math olympaid and code jam competitions (best books)...... in which platform i have to prepare ? -
Replied To a Post in code jam
I'm not sure what level we are looking for, but the MAA publishes books covering the USAMO which has the same format as the IMO (with easier questions). The first … -
Began Watching passing parameter from html form to java applet
I have the following form that works: http://craigcoleman.com/java/julia/ I'm trying to do the same thing with this form and I can not get the parameters to work with the form. … -
Replied To a Post in passing parameter from html form to java applet
I feel like this is a very old way of doing things. If you can, I would move the form fields into the Applet or (better) a JNLP application. But … -
Began Watching i need help on where i can download a javax.speech.*?
hi!!.. my name is nathan i am trying to davelop voice to text java application i am required to use javax.speech package and i cant find it on my java … -
Replied To a Post in i need help on where i can download a javax.speech.*?
Try http://www.jarfinder.com -
Began Watching using java codes in repository
I am connecting to a repository for accessign to a code. I would like to run this code from the repository, but I read somewhere it is not possible to …
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