31,001 Topics
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Hello, I have looked at an example of `GridBagLayout` (JamesCherrill you must be thrilled : - )!!) and there are a few things that are not entirely clear to me. First here is the code taken from deitel and deitel “Java how to program”, chapter 25: // Fig. 25.21: GridBagFrame.java …
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create aprogram that will identify seat plan for an airplanewith availables columns and 20 availables rows. 
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Hello friends. I am having problem with displaying japanese characters into eclipse console. I use eclipse IDE. And I have two properties files. one for default english text, and second has japanese text. which is not correctly displayed when normally opened. I have used ResourceBuilder and Locale class (JDK 6 …
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on click of an href i want to build a dynamic link and open the same in a new browser window using java. out.append("<A href="displayLinkDetails.do"/>Sample Link</a>"); (i want be able to send parameters as part of the action) currently the control is in java file. As im using a seperate … 
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hi guys, iam workin on an application that calculate the income for certain diving centers, i using the SQLite database, i developed a database with 3 table the first one for user input, the second is to hold daily income, and the third for weekly income. i've a problem when …
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Hi Team, I am working on Collections and in order to Sort ArrayList of Objects of a Class based on their instance variable, it is mentioned in book that I need to OverRide CompareTo Method. compareTo Method works fine but Iam not getting the clear idea of its sorting logic. …
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Hello guys, I'm workin on an application that is supposed to be generating certificates. Here are the steps: 1- input certificate data 2- generate certificate number 3- create the certificate and save its data in the database i have a table in the database which will hold certificates. The database …
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hi, its like this i did c++ at my school level for almost 2 years....its been 6 years since i have done any programming.....due to college studies......now i want to move to android development......for that i need to learn core java(j2se).....its been one month i have been doing j2se.....covered oops,classes,objects,inheritance,excepti... … 
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I have just upgraded my web application from spring version 3.0 to spring 3.2.6. I am using Maven, DWR 2.0.2 and Spring AOP in this web application. All my configuration is XML based, I am not using annotations. When I upgraded my configuration files to spring version 3.2.6. I faced … |
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I am trying to add new spinner below old one dynamically with click of a button. Also, I am adding button on the side of spinner dynamically. My problem is the spinners and buttons are added on top of each other. How can I add new spinner at the bottom … 
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My problem is when I open new activity when pressing button an error accoutred "Unfortunately, ISPcheck has stopped". Here is my MainActivity.java button click event code: public void btnLogin_OnClick(View view) { startActivity(new Intent(MainActivity.this, PersonInfo.class)); } Here is button xml code in activity_main.xml: <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="تسجيل الدخول" android:id="@+id/btnLogin" android:layout_marginTop="72dp" android:textColor="#ffffff" …
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Hi all. What im trying to accomplish is to get strings from within a string. These strings are seperated with "//*//" an example would be String ExampleString = ("//*//helle//*//goodbye//*//1965//*//this is an example//*//the end"); then I would like to seperated into seperate strings. hello goodbye 1964 this is an example the …
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Hie guys I am prety new to JSF and Iam working on some peice of code. I am using primefaces components and JSF backed beans. Here are a list of my questions; 1. Is there a way of running a method each time a page loads. 2. During page load … |
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Write a program that will swap two values stored in location X and Y. For example if the initial values were X=2 and Y=5 then after the execution of your program the stored values should be X=5 and Y=2. in mariesim
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ClassNotFoundException:com.mysql.jdbc.Driver 
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Hello, me again :-). This time I need to build a small calculator-like GUI, like this:  This time I thought I'd ask a few questions before I start building it! 1)In terms of layout, I was thinking to use the GridLayout again: one for the text field and …
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Hi, I am making a song player in java with playlist functionality. I got my mp3 songs running all right. What i basically do in my player is search a folder for mp3 files and then add all to the playlist. Till here, it's fine and doing good. But the …
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hello, i am trying to set the allignment of my slected data which i get in my text area.. can anyone help???
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hi, I want to display only the user id and the name in jList and when the user select something from the jList detailes of that person will be display in a lable can you explain to me how to do it.. I've managed to display all the deatiles of …
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Hi you all... im a diploma student... im not very good at java programming.. i hope u all can teach me a bit bout this subject.. i dont want to carry this subject :3 ... kinda blurry.. lecturer kinda teach theory... sooo... i attacht word.doc... 
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Hello good day. Here is my problem: I have retrieved some a couple sets of data from my sql database and saved them in ArrayLists of (custom)types <Student> and <Subject>. I am using a single Table. I want to create a custom AbstractDataModel that displays the data from the ArrayList<Student>. …
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Hi all, How to convert an pdf file to html in Java? Currently all my data is generated into a report in pdf and i want to be able to generate it to html page as well. How to go about implementing this, is there any source code in java? …
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I'm creating a Web-based label printing system. For every label, there should be a unique s/n. So when a user decided to create 1000 labels (with the same data), all of it should have unique s/n, therefore the pdf will have 1000 pages, which increases the file size. My problem …
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Hello, I'm using the DX Studio engine (used to develop 3d games/applications), which uses javaScript as the main language. Since the engine is not getting much attention, their forum is almost completely dead. So I thought maybe one of you here at daniWeb could help me out? When previewing my …
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Hello everyone, I am doing an assignment that requires me to create an application that manages a student records database. They gave me the option to use a GUI or console application so I am making it a console app. The task requires that we use the abstract class pattern. …
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Hello to all, I have following simple Applet program. import java.applet.*; import java.awt.*; public class myapp1 extends Applet { Label l1, l2, l3, l4; TextField t1; TextArea t2; Checkbox c1,c2,c3,c4,c5,c6; CheckboxGroup cg; Button b; public void init() { l1=new Label("Enter your name: ", Label.RIGHT); t1=new TextField(20); l4= new Label("Enter your …
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Hello guys, I have built another small GUI:  Even before knowing whether the layout of the application I have built is right, I am facing another big problem. At compiling time I get the following error: Note: Dropdown.java uses unchecked or unsafe operation Note: Recompile with -Xlint:unchecked for …
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Hi all I am currently learning Java (and Fortran!) on my own. I have written the following code but for some reason it does not work as it should import javax.swing.JOptionPane; class evenOdd { public static void main(String[] args) { String number, ans; int num; do { number = JOptionPane.showInputDialog(null, …
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I have person class with id , first name and last name I have get and set methods in main I wrote this when I try to search for something in array list I always use .equal when I tried .equal without the ! it give me nothing , but …
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The End.