32,204 Topics
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| | [CODE]double s = 1/(noOfPhases + 1);[/CODE] When I print the s the value I get is zero however when i print noOfPhases the value is 3. If i do the following [CODE]double s = (noOfPhases + 1);[/CODE] the value returned is 4. Why can I not not do 1 divided …  |
| | I have these code below for the button : [CODE] import java.awt.*; import java.applet.*; import java.awt.event.*; public class Coba extends Applet { Button button1; public void init() { Font font = new Font("TimesRoman",Font.BOLD,16); setFont(font); button1 = new Button("Level Easy"); resize(250,250); LevelEasy lvleasy = new LevelEasy(); button1.addActionListener(lvleasy); //button1.addActionListener(this); add("Left",button1); } private … |
 | I am doing a cash registry program and I want to use a multidimensional array. May someone give me a sample code for it. The sample code must be as simple as possible just for my reference. Reply will be appreciated very much.  |
| | Hi all, I need help regarding following problem. I'm getting HTTP get responses from a program(Kannel) periodically. The HTTP is in the following format. "http://localhost/sms.php?A=10&B=abc" I want to know whether is it possible to get the values of A & B using a Java program (not JSP) as soon as … |
| | I have a cardlayout of pictures but i want to know if i can produce some special effects like they have in MS Powerpoint where the picuture slides can fade in/out or swirl into or out of the panel or display text words one at a time, etc. Is it … |
| | I need to write few class which are to be used to validate the data. I know some validations which we will use generally. if anybody knows more please help me by providing the list of some more validations. The validations which I know are as follows: String: length isAlpha …  |
| | hi to every body.me is new in java.in future i want to built a software in java. so i want to b a java java java master.is someone who can guide me ? is? |
| | Hi, I have a program that draws a line between two points when the user clicks at two points on a canvas (added in a frame) and clicks Repolot button. Each time i click the button the previous line is gone. But i want that when i click the button …  |
| | Hi guys, i've been stuck on one part of an assignment where i have to call a number 6 times from a different method/class. I thought maybe doing a for loop calling its 6 times but i'm not sure how to call the method into the other method, this is … |
| | I created an array, and I am trying to pass it to a method then double the size of that array. Than I would like to print the array. I am at a loss right now as to why it wont print, and what I am doing wrong. Any help … |
| | Let's claim that I have jar called j.jar in folder called: my_folder. Then in this jar I have folder called:javclass and in this folder ther is main class called: main.class. And I have a question: How html file which opens it should look like ?? |
| | I'm trying to write a tic tac toe applet. Below is the code. I can't get it to line up in 3 rows of 3 and also it shows "win" as soon as 1 button is clicked. Any help would be appreciated. Thanks. import java.awt.*; import java.awt.event.*; import java.util.Random; import … |
 | i'm thinking how to do this since last week. i can make a rps game in java, BUT not in OO way. just the simple ones. what i want to do is a rps game - the OO way. i planning this program to have two options, play with player … |
| | Hello... again. I'm sorry about asking about this again, but I'm still stumped =S I can't find any tutorials or examples on this matter*, and I don't know what to do. I still need to find a way to get commands to paint from one JVM to another. I tried … |
| | Hi, I'm starting working with the Graphics and related and strugling to understand it. I'm trying to do something as simple as drawing a String on a panel. The string changes on runtime. I post the code below. In effect, every new number is drawn on top of the old … |
| | Hey guys and girls. Im working on a program at the moment, the aim of which is to determine a users age level (by year at school), and give them a set of randomly generated maths problems based on their age (eg- 1st grade only has to deal with numbers … |
| | hi, i am doing a system in java for my assignment .that system is able to add ,delete,modify records. i have created sql commands for all in my programme.but i don't know how to put codings on above buttons here i attach some cods.any one please help me. this is … |
| | I am a beginner in Java programming after a few lessions I was provided with this task and I have no clue how to go about it.this appears to be simple but for me is a mountain, if any one could help I will really appreciate it. Here goes the … |
| | These are my three functions explaining sql functions update and delete functions .can any body help me to write the buttonactionperformedfunction? [ICODE] public boolean editBus(int busid,String name,int seats) { boolean bEdited = false; try { updatebus.clearParameters(); updatebus.setString(1, name); updatebus.setInt(2,seats); updatebus.executeUpdate(); bEdited = true; } catch(SQLException sqle) { sqle.printStackTrace(); } return … |
| | i am creating my jar file jar cvf javaappl.jar javaappl jar cfm javaappl.jar manifest.txt javaappl manifest is added correctly. but when i try to run java -jar javaappl Invalid or corrupt jar is displayed. Earlier it has run, but the same thing is not running now. What is the probable … |
| | I know what a Jar file is. [url]http://java.sun.com/developer/Books/javaprogramming/JAR/basics/build.html[/url] I just can't figure out how to get it to be recognized as a command. I have the same problem with appletviewer. I was told i was suppose to to set some path but i am not sure where it is. I'm … |
| | I want to create a custom NumberFormat which returns empty string for negative values and the double number iteslf for +ve and zero values. Please guide me.................... |
| | Hi all, I am new to java i want to download, jdk1.5 as my guide specified ,, but i dont know the link......so please help me out........and tell me out to install it on my pc. Thanks, ishlux |
 | Hey folks, Now java may be the wrong language for this but I would like to get a motion sensor program going (if possible). Basically I already have hooked my webcam up, and can import it to a window via java. I am trying to find a way to basically … |
| | i just dont know how to convert this. i have three integers for month, date and year. year is a two digit input. i want to convert these three into one variable type long.. but i dont know how to do it. i tried adding the three integers, but i … |
| | Hi am new to Java and am developing a multi agent application using Jade. I have coded 1 agent using Java and the other agent using vc++. My problem is communication between java and vc++. 1) I need to run the vc++ program within the java program for which i … |
| | //track the number of times each face of the dice is rolled if(Integer.parseInt(d1.toString()) == 1) one++; if(Integer.parseInt(d2.toString()) == 1) one++; if(Integer.parseInt(d1.toString()) == 2) two++; if(Integer.parseInt(d2.toString()) == 2) two++; if(Integer.parseInt(d1.toString()) == 3) three++; if(Integer.parseInt(d2.toString()) == 3) three++; if(Integer.parseInt(d1.toString()) == 4) four++; if(Integer.parseInt(d2.toString()) == 4) four++; if(Integer.parseInt(d1.toString()) == 5) five++; if(Integer.parseInt(d2.toString()) == …  |
| | [code=Java]public void showPlayer(int cell,int playerID){ int row = this.getRow(cell); int col = this.getCol(cell); cellLabel[row, col].TextAlign = ContentAlignment.MiddleCenter; cellLabel[row, col].BackColor = Color.Purple; cellLabel[row, col].ForeColor = Color.Gold; cellLabel[row, col].Text = "P"+Convert.ToString(playerID); }[/code] Here is a part of my code. How can I add a jpeg image to the above cell, called cellLabel[] …  |
| | All Java applications must contain at least one method. The name of this method is either main() or Main() true or false?? |
| | hi friends... I have Written some codes for adding and retrieving data from RMS: [CODE] public void commandAction(Command command, Displayable displayable) { if(command==exit) { destroyApp(true); notifyDestroyed(); } else if(command==start) { try { recordstore=RecordStore.openRecordStore("My RecordStore",true); } catch(Exception error) { alert=new Alert("Error Creating",error.toString(),null,AlertType.WARNING); alert.setTimeout(Alert.FOREVER); display.setCurrent(alert); } try { String outPutData[]={"Mary","Bob","Adam"}; for(int x=0;x<3;x++) …  |
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