35,618 Topics
 | |
| | Where weight is the person’s weight in grams and height is their height in centimeters. If the result of this calculation is less that 20, then the person is medically underweight. If the result is greater than 30 then the person is medically overweight. Write a program to calculate whether …  |
 | Hello everyone, I have a book called "Java Genesis" and it has some files such as packages, projects and hints to enhance learning. So, I have set up a file structure in Eclipse and it shows that there are errors and warnings. When I tried running a Java Application using … |
 | I am creating a program that will simulate a fish tank (got it off of google) and when I try to get the image using [CODE]mClownImage = getToolkit().getImage("Fishes/mClown.gif");[/CODE] the getToolkit() part gives me an error. it suggests that I make a method called that. I have imported java.awt.Container; which contains … |
| | Hello I've made a program using JCreator. It was working fine and all of a sudden it won't run anymore. I get this message: [CODE] --------------------Configuration: <Default>-------------------- Usage: java [-options] class [args...] (to execute a class) or java [-options] -jar jarfile [args...] (to execute a jar file) where options include: … |
| | I am interested in learning java online. I am looking someone who is willing to teach online.  |
| | Hi! I've written function that writes to one of eight files. It writes one of the strings, which is associated with a file to that file. There is also a similar one, it just reads from that file and returns it. When I run the program, it does everything correctly, … |
| | Hello Im trying to code something like this [CODE] public class Decoding{ Decoding(InputStream in) //constructor Object obj = new XMLDecoder(in) } } [/CODE] [CODE] public class Test{ public static main(String[] args0){ JButton button = new JButton(); decoder = new Decoding(new FileInputStream("somtheing.xml")); button= decoder } } [/CODE] So as you see … |
| | can anyone tell me how to bring jbutton within a jtable.........and how do do the actionperform of the button can i do this in jframe......  |
| | Hy , I have a example tooken from the internet , and compiler gives me this error : The type CommPortIdentifier is not accessible due to restriction on required library C:\Program Files\Java\jre6\lib\ext\comm.jar The code is: [CODE]import java.awt.*; import java.io.*; import javax.comm.*; import java.util.*; /** * Open a serial port using … |
| | hi All - total noob[java] here; i have an app on the android written, but i believe the question here is totally java related. after my app adds field1 + field2 + field3 and displays the value in field4, how do i *start over*? thing is, if ea field is … |
 | Guys , I'm a newbie Java programmer .. 3rd year comp sci engineering student and a C++ programmer with around average programming skills I should say :D !I find it kinda weird that reading something from keyboard is such a pain in java .. Importing DataInputStream , the creating and … |
| | Hey gyz, i'll like to create a java database application and wondering the best Database engine/platform to use dat'll be small, compact and easily distributed, i have sum on mind but i'm confused on the best engine that offers, quick and effective data connection, small in size. Ur advice would … |
| | Im having a problem with this program why i am not able to set present total price of product if gonna seect the product form combo and the remove button cant get the selected index,retrieve the selected item and remove the selected item from the list using its index or … |
| | Hi, I want to get the information from the website using HttpURLConnection.I wrote this [code]import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; public class webPractice { public static void main(String[] args) { try { URL yahoo = new URL("http://www.yahoo.com"); URLConnection yahooConnection = (URLConnection) yahoo.openConnection(); yahooConnection.connect(); long s=yahooConnection.getDate(); System.out.println("date"+(String)yahooConnection.getContent()); System.out.println("Hi"); } … |
| | Hi all. my code is below: [code] <script type="text/javascript"> function gu_gid() { var ggid = document.getElementById("gid"); if(ggid.value != "" && ggid.value != "select") { $().ready(function() { $("#autocomplete").autocomplete("test.jsp?gid=" + ggid.value, { max: 50, width: 300, matchContains: true, selectFirst: false }); }); } } </script> . . . <form action="#" autocomplete="on"> <div> … |
 | Great to hear that.. Java SE 7 is officially released today! After nearly five years of collaboration within the worldwide Java community, Java Platform, Standard Edition is ready for download! It's an important step in Java’s evolution. The major features of Java SE 7 are: • Project Coin- many small …  |
| | Hey guys! I'm trying to create an accounting system, one that can create worksheets, create balance sheets, etc.. Is it easier to do this in Java or some other programming language. Got any suggestions on how I can accomplish this? |
| | Hii... Read the thread and found it to be quite informative... I too, am making a stock broker project, learning purpose only... For that i use data, available free from yahoo finance... But, haven't progressed a bit in the representing via charts.. Please please help me out on this... Abhay. |
| | I need to show the content of one panel class into another panel of another class ..i am new to java so i would appreciate any help...plz help me... in short i just want to add one panel into another through actionlistener of some button.. |
| | I need some help with doing a choice. Atm i have [code]choice = switch (choice) { case 'A': case 'a': { optel (); break; } case 'B': case 'b': { break; } case 'C': case 'c': { break; } default: { System.out.println ("You did not choose any of the options"); … |
| | hello i am beginner to java i wrote a simple program of object array but it is showing run time error [QUOTE]Exception in thread "main" java.lang.NullPointerException at classarr.main(classarr.java:14)[/QUOTE] [CODE] class abc{ int i; } class classarr{ public static void main(String arg[]) { abc a[]=new abc[4]; int j; for(j=0;j<=3;j++) a[j].i=j+1; for(j=0;j<=3;j++) … |
 | How to add flash objects in java without Java Flash Player Api? Any idea. Just hint required. |
| | I created a program on NetBeans. The package contains three files: MainProject.java, Input.java, and Output.java. When I run the MainProject.java file on JCreator, it opens up the Input.java form, but when I click the "finished" button on the Input form, it doesn't open the Output form. How do I fix … |
| | The following code shows a simple use of speech synthesis to speak the string "Hello World". [CODE]package helloworld; import javax.speech.*; import javax.speech.synthesis.*; import java.util.Locale; public class HelloWorld { public static void main(String args[]) { try { // Create a synthesizer for English Synthesizer synth = Central.createSynthesizer( new SynthesizerModeDesc(Locale.ENGLISH)); // Get … |
| | Hi I am in a java class and am working on a mortgage calculator with gui. I think I almost am done and have the assignment parameters completed but am stuck on two issues. 1) can't get my scroll pane to work. 2) I want to have the user select … |
| | I'm writing an application for processing scientific data. The data is displayed in a jTable. I'm done with the data processing itself, now I want to do some conditional formatting to make interpretation easier for the end user. [LIST=1] [*]The last column of the table contains a threshold value, and … |
| | import java.io.*; public class Wisk_project_template { private static BufferedReader inStream = new BufferedReader (new InputStreamReader (System.in)); //***************************************************************************** // handles addition private static void optel () throws Exception { // ask name System.out.print ("Hi - what is your name? "); // call menuLevels and ask for level menuLevels (); System.out.print ( … |
| | What does "values", "data" and "field" mean in java ? For example, definition of encapsulation is hiding of data in a class and making this class available only through methods. In this way the chance of making accidental mistakes in changing "values" is minimized. In access specifiers, Java allows us … |
| | So, I created two forms: Input and Output. In the Input form, the user inputs the required information such as name and schedule. Then when the user is finished, he/she will click the "finished" button which brings up the Output form which has all the inputted info from the Input … |
| | Hey, I've just started with JSP! Was trying my hand at this Shopping cart app.here's the code..[CODE]<%@page import ="java.sql.*"%> <%! Connection con = null; String query = null; PreparedStatement stmt = null; ResultSet rs = null; %> <HTML> <BODY BGCOLOR='ORANGE'> <CENTER> <H2>YOUR CART CONTAINS</H2> <% try{ Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost/shopping_mart?"+"user=root&password=root"); … |
The End.