32,204 Topics
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| | Hello, I am having problems using an ObjectInputStream to read from a file. My program uses a File to check whether or not a specific file exists. If it exists my program will attempt to create a FileInputStream for the file and associate an ObjectInputStream with it. It should first … |
| | HI I am working on a java application using netbeans, I face a porblem. I want to display the output of my program, on jtextarea (i have designed a jtextarea,) just I want to display the output namely the content of an array. plz can anyone help?  |
| | I am using following method to convert string to calendar date '2007-05-10T08:10:21-8:00' . The code is as under public Calendar dateStringCalendar(String s){ Calendar cal=Calendar.getInstance(); try{ SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ"); Date d1=df.parse(s); cal.setTime(d1); return cal; }catch(Exception e){ } return cal; } when I get response back to my jsp page it shows … |
| | hello, please tell me a function which can transform the first 100 consecutive number into a string? i kept looking but i could'nt find one thank you all the best dep:) |
| | Iam using an AWT component. Did a little research but cannot find anyway I can make my player return a JComponent..tried this casting but Iam getting an exception at the line. [code=java]((com = (JComponent)p.getVisualComponent()) != null)[/code] I also got to see something about mixing SWING with AWT so I decided … |
| | Hi, I was in an online class where I had a teacher that was difficult to get hold of. So I posted here for clarification and help topics. Others are copying my postings and turning it in as their own. I am asking that you delete all of my postings. …  |
| | [B]EDIT:[/B] ok great now after some searching, i realise the get_UID is not the UID i want to find which is the user ID. But still, is there anyway to retrieve? [B][I]EDIT2:[/I][/B] OK, i think i'm being such a klutz right now. i think they are still the same? so … |
| | just need sum help for classpath settings for command line compiling of classes of new java packages. i've been trying to do it but it only works for one package.  |
 | i may already have asked a similar question to this but my brain is so fried with this problem. i have to read two csv files, entering the data contained into a map and a list. the first method readInTasks() works fine, reads the file and enters the data into … |
| | what can possibly be done to insert a time stamp and a date into oracle database using Java code |
| | Hello everyone, How can I convert this format using Java? 2009-05-20T18:19:23+08:00 I was able to convert this using the SQL Statement below. select cast('' as xml).value('xs:dateTime('2009-05-20T18:19:23+08:00')', 'datetime'); I would like to know how Java handle this format. Any suggestions are greatly appreciated. Thanks in advance, Jamojo |
| | Hi all I need to read an Excel sheet using java and I need to know how many columns are there in that excel sheet. Please drop a code snippet to this thread  |
| | Hello, I am working on a java program that finds perfect numbers. I need to make it run more efficiently by touching up the computation I have in my factorSum method. Heres what I have so far: [CODE] public static int factorSum(int testNum) { //Initialize local variable accumulator to zero. … |
| | Hello Guys, I am traversing a binary tree in java. I can print the whole tree whitout any problem. I do it this wat [code] private void printNode(String path) { if ((left==null) && (right==null)){ System.out.println("Val \"" + MyChar + "\" binary value " + path); } if (left != null) … |
| | Are there any chances that I could resize an image using the fileconnection inputstream? FileConnection fc = (FileConnection) Connector.open("file:///" + filePath + "/",Connector.READ); InputStream fis = (InputStream) fc.openInputStream(); I want to resize the image from here because if I use Image.createImage(fis); I am encountering "Out of Memory error", if the … |
 | When I tried to compile my HelloWorldApp.java file using the following command: javac HelloWorldApp.java it worked (for being able to do this simple thing I had to change a lot of variables). But then when I tried to Run the program using: java HelloWorldApp it gave me the error: Exception … |
| | Hi, I am writing a code that will get a file in the linux server(server.logs). Can anyone help me out with that. I am using a java se in a windows. and i dont knw how to retireve file on it. I need to log the files and parse the … |
| | Just recently we were given an assignment. We had to construct a GUI which maps out tomtom(navigator) coordinates into google maps and linear graphs. For bonus marks a feature was to be able to change the language of the gui (english to spanish etc) Our tutor had instructed us that … |
| | Hi, i created a program but i need some help. I made it so the user must enter the ip address and then click the button CONNECT. But in java it outputs the same thing. Is there any way i can get rid of it and just start the program … |
| | I'm making a game for a project due this Tuesday. You're in a dungeon with rows and columns, and for each coordinate there is a cell and there are 3 trap cells that you instantly die from if you walk into them. Also, you die if you hit 3 walls. … |
| | i've had a pretty good day today up to now.... i have a method calcFinalOCAS() which should take an average of a list, replace the lowest value (if its lower than the substitution score), do the average again. now this works but when its compiled and i run it but … |
| | Hello everyone, i have been trying to complete this program on a letting agency where a user gets a choice of options 1. Add a property 2. Remove a property 3. Display all properties 4. Exit the system I have no idea what syntax to use within each case option …  |
| | [code] import java.io.*; import java.util.*; public class MainTwo { public static void main(String[] args) { for(File file : File.listRoots()){ search(file); } } public static void search(File f) { ArrayList<File> arrayList = new ArrayList<File>(); f.listFiles(); arrayList.add(f); System.out.println (f.getName()); } } [/code] Why does it print nothing? |
 | [code] import javax.swing.*; import java.awt.*; public class keyboard { public static void main(String args[]) { String s[] = {"esc","F1","F2","F3","F4","F5", "F6","F7","F8","F9","F10","F11","F12", "psc","slk","pau"}; JButton j[] = new JButton[s.length]; for(int i=0;i<s.length;i++) j[i].setText(s[i]); JFrame f = new JFrame(); for(int i=0;i<s.length;i++) f.add(j[i],JFrame.LEFT_ALIGNMENT); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setVisible(true); } } [/code] I need Instant Help!. Code is giving me … |
| | hi guys.. i dont noe if this is the right place to post this but,im in need of an idea for a project related to security. can anyone suggest an idea? thanks~! |
| | Problem Description: Multi automobile movement simulation in a multi lane road Consider a road (street) consisting of NL lanes with NC cars moving in one direction. Each car has to move in a certain lane with possibility of changing lanes. Each lane is divided into NP positions. Cars movement is … |
| | Hi all I want a help for changing this program to a linux program . Can anyone help me? wether is it in c++ or Java. [code=java] import javax.swing.*; import java.awt.*; import java.awt.event.*; class fcfs extends JFrame implements ActionListener { JButton jb[] = new JButton[3]; JTextField jt1[],jt2[]; JLabel jl[],jl1,jl2,jl3; JPanel … |
 | Hi everybody; is there a way to find system info (current time, date, processor speed, processor's RPM, Fan1's RPM, Fan2's RPM, etc)? I am making a program that gives you information about your computer. Thanx in advanced, C++ |
| | can anyone help me in creating gadgets ...I need to know how to make a gadget ... also wat languages are used for making a gadget... i ve googled a lot bt cant find any solutions .... so help me ... |
| | hello all i am now about ready to pull my hair out and/or possibly worse! i have to read a .csv file, split the 3 elements into variables and then put two of the variables into a map. i can read the file fine, i can display the variables in … |
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