35,618 Topics
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| | [INDENT]What is the [U][B]file naming[/B] conventions[/U] [I]to compile and run the programme[B]([/B]application[B])[/B][/I] if there [COLOR="Green"]exists[/COLOR] [COLOR="Red"][B],[/B][/COLOR][/INDENT]:icon_rolleyes:[LIST=1] [*]No class in a package; [*]One class with default accessibility in a package; [*]Many classes with default accessibilities in a package; [*]Many classes with default accessibilities and one class with public accessibility in a … |
| | i was using mysql to connect to database in java. but it is throwing an error that is" access denied for use' '@'localhost' to database 'onlinetest' while installing mysql I DIDNT PROVIDED ANY USERNAME AND PASSWORD, IS THERE ANY PROBLEM WITH USER AND PASS AND WHAT TO WRITE IN USER … |
| | My question is why (i1==i2)=false,(i3==i4)=false and (i5==i6)=true? [CODE] public class comp { public static void main(String[] args){ Integer i1 = 2001; Integer i2 = 2001; System.out.println((i1==i2) + " " + (i1.equals(i2))); Integer i3 = 21; Integer i4 = new Integer(21); System.out.println((i3==i4) + " " + (i3.equals(i4))); Integer i5 = 21; … |
| | hi i really need your help i'm a beginner in java and we're having this homework here is my code its not complete and there is error please help me solve this one :( tell me what to do [CODE]import java.io.*; public class hangukFishShop { public static void main(String[] args)throws … |
 | I have been thinking of making a graphing calculator for practice. However, I do not know how to assign to a variable an expression. What I exactly mean is: let's say x is a variable, and y a function of x. I can just define the function inside the code, … |
| | Getting the FileNotFound exception: java.io.FileNotFoundException: C:\Documents and Settings\User\My Documents\NetBeansProjects\MyApp\src\java\source\downloadfile.txt (The system cannot find the file specified) java.io.FileInputStream.open(Native Method) java.io.FileInputStream.<init>(FileInputStream.java:106) java.io.FileInputStream.<init>(FileInputStream.java:66) source.download.execute(download.java:25) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441) com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243) com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252) org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237) … |
| | Sir, I want to develop a internet booster software that boost the speed of internet from original speed to high speed.please tell me how internet booster works and which language i should use?  |
| | Dear Experts i want to know about the date schedule and syllabus for SCJP exams of java. Kindly provide me link to scjp. Best Regards, Pardeep |
| | Why is the value 22 created for the code below? [CODE] public class Pregnant extends Thread{ int x = 0; public static void main(String[] args){ Runnable r1 = new Pregnant(); new Thread(r1).start(); new Thread(r1).start(); } public void run(){ for(int j=0;j<3;j++){ x = x + 1; x = x + 10; … |
| | anybody tell me that java is object oriented or not . some people says that java is pure object oriented or some says it is not object oriented. |
| | i try to change this scrip into jsp but i stuck at switch statement - switch ($_GET['action'].. Please someone help me.. (T_T) [B]menu.php[/B] [ICODE]<li><a href="index.php?action=home">Home</a></a></li> <li><a href="index.php?action=aboutus">About Us</a></a></li>[/ICODE] [B]index.php[/B] [ICODE]<td width="20%" valign="top"> <?php include ('menu.php'); ?> </td> <td width="85%" valign="top"> <?php switch ($_GET['action']){ case 'aboutus': include 'aboutus.php'; break; case 'home': … |
| | This is program that return a concatenated string to the main() [CODE] import java.io.*; class ConCat { public static void main(String args[]) { String a, b ,c; a = "Animesh "; b = "Pandey"; c = concat(a, b); System.out.println(c); } } static String concat(String s1, String s2) { String C; … |
| | hi every body I have a problem I want to use the value in a table in other table I mean set the value from other table to the table I want can any one help me!!! |
| | Hi ,There I hope you can help me with this I need a Java algorithm to help me find how much % is string A relevant to String B Example : String A => Java ,C++ ,C# ,Assembly String B => java ,c++ then Result should be => 50% relevant … |
| | This is homework. Please do not write my code for me. I did look for this but only found things related to buttons or making a background, none of which had the answers I needed. I have been working on a game. The game has some images floating around and … |
| | Hi, I am developing a Java SE console application that needs to connect to a web page, get its contents (using HTTP GET) and get the value of a timer that was written in Javascript. If we take [URL="http://www.elated.com/res/File/articles/development/javascript/creating-a-javascript-clock/clock.html"]this[/URL] example page for instance. When I retrieve its contents using HTTP … |
 | Hi guys! Can anyone provide an accurate code for me to do this please. I'm not having any luck finding particular codes on Google that work. |
| | I just bought and read Jim Waldo's "Java The Good Parts". (ISBN 978-0-596-80373-5) It is a very interesting book that gives you insight in what happens under the surface. This is not a book about learning how to program in Java. It is rather a book for those who have … |
| | I wasn't sure if this should go in games development or here but it's java so I put it here. This is homework so please don't write my code for me. My assignment is to create a game. It has to have moving parts, keyboard controls, buttons, the works. I … |
| | I'm trying to launch an .exe from a JButton on a java Jframe, any1 knows how to make it execute. [CODE]private void OKButton3ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: } [/CODE]  |
| | Hello.. I am in search of how to play a video in full screen mode using java. I know how to play a video using the JMF. but i want to play the video in full screen desktop java applicaton .. Any solution....? |
| | I am running into an error with NoSuchElementException, Please help! Here is the error: Exception in thread "main" java.util.NoSuchElementException at java.util.Scanner.throwFor(Scanner.java:838) at java.util.Scanner.next(Scanner.java:1461) at java.util.Scanner.nextInt(Scanner.java:2091) at java.util.Scanner.nextInt(Scanner.java:2050) at Project.answerKey(Project.java:292) at Project.findMyAvg(Project.java:344) at Project.printMyResults(Project.java:269) at Project.printHeader(Project.java:203) at Project.main(Project.java:30) The code at line 292 is: [CODE]answer[count] = inScan.nextInt();[/CODE] the method is: [CODE] … |
| | Hi, I'm a beginner with Java and I need help with an assignment: Write a program that will help the Toronto Blue Jay's scouts decide which players they should draft next year. For each player the scouts have been watching, a record has been prepared showing the player's name, age, … |
| | Hi, i am currently doing a system for the rental video. I am new to java coding.. Problem is how to add data to access database using java coding in method? Thank you. |
| | Hey guys, I'm working on a project to use Huffman trees to compress a text file into binary. For instance, based on the frequency of the characters in a string like "aardvark", a - 3 r - 2 d - 1 v - 1 k - 1, compression using a … |
 | How would I go about using swing components and graphics in the same program. Whenever I seem to add a swing component my graphics disappear. Please help. Thanks. My main Class [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; public class ResistorColorCodeProgram implements MouseMotionListener, MouseListener, KeyListener{ public ResistorColorCodeProgram (){ JFrame resistorCCFrame … |
 | I am populating combobox on checkbox checked or not click event. Here is code. I am not solving the bug, JS runs on chrome but not in both IE and Firefox. checkbox <input type="checkbox" onclick="selectinactivebatch(this.value);" id="inactive_batch" name="inactive_batch" <?php if(isset($_POST)) echo "checked";?>> AJAX Code function selectinactivebatch(checkboxvalue) { var check; if(checkboxvalue=='on') check=1; … |
| | I am using Eclipse to develop an applet module, which requires a bunch of libraries. It runs correctly under the Eclipse environment. I would like to know how to embedded this code in a html page, or how to deploy this applet? |
| | I am implementing an applet module which receiving an object sent from a servlet. The following is used to setup connection. [CODE]private URLConnection getServletConnection(String hostName) throws MalformedURLException, IOException { URL urlServlet = new URL(hostName); URLConnection con = urlServlet.openConnection(); con.setDoInput(true); con.setDoOutput(true); con.setUseCaches(false); con.setRequestProperty("Content-Type","application/x-java-serialized-object"); return con; } [/CODE] The following is the … |
| | hello, please i make a code that i want it to work as follows: the user input 3 value and after an inspection(that i am not put it now, i want to try it now so i make the condition, if k%2==0)the input is be either spoof or valed,at the … |
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