36,051 Topics
 | |
| | class t{ Somebody please help me with one very simple program in java. I'm new to java, so I can't understand what all this errors about. Please help me fix this program. It gives three errors: illegal start of type swith (s) orphaned case case 'Y': <identifier> expected switch (s); … |
| | import java.util.*; class Degree2 { Scanner in() { return new Scanner(System.in); } void out(String m) { System.out.print(m); } double readDouble(String m) { out(m); return in().nextDouble(); } String readString(String m) { out(m); return in().nextLine(); } void foundRoot(double a,double b,double c) { if(a==0) out("Value x is: "+(-c/b)+"\n"); else { double data=(b*b)-(4*a*c); if(data>=0) … |
| | [code=java] import java.util.*; public class Convert { Scanner in() { return new Scanner(System.in); } void out(String m) { System.out.print(m); } long readLong(String m) { out(m); return in().nextLong(); } int readInt(String m) { out(m); return in().nextInt(); } String readString(String m) { out(m); return in().nextLine(); } String digitOne(int n) { String st=""; …  |
| | This is what I am trying to do... I have a image and I create a bufferedImage and graphics out of that using: [CODE=java] BufferedImage img = ImageIO.read(file); Graphics2D g = img.createGraphics(); [/CODE] Now I play with the graphics and finally save the file using: [CODE=java] File outputfile = new …  |
| | am begin you people help send the available links or books to my mail. i wont to become a java programmer, but is been a long time have been reading so many book without any good understanding of the language called java. i also interested in been certify. please any … |
| | Hi all, I'm currently learning Java right now through a class and my instructor has asked me to try writing a word-count program using a Map interface. It should run through command line and has to identify the number of words, the number of distinct words, and the distinct words … |
| | Hey guys do you have any samples that uses hashtable in multi part form to insert image and information into database. In the jsp form, there is some codes regarding on hashtable that is input into by my tutor. However, I do not understand about it. My tutor taught me … |
| | hello all, I am trying to create a class for an inventory program that will store certain values like name, item number number of units and price. I have written a code but it is apparently not correct because I get several error messages. can you please look at what … |
 | Hi, I am trying to print a String value like this but still not able to get it,. my method is like this:- [CODE] Class1 { public String mystring; public void mymethod(){ mystring = ""; } //Then I am setting the value of mystring in other method like this:- public … |
| | Hey guys, I was having a bit of trouble with making my GUI look presentable (not too busy or crammed up) and I have a few questions that shouldn't be too hard to answer. I'll briefly explain what I have at the moment. I have a total of 15 text … |
| | hiii... i am writing an application in jsp to create a login form. but it shows an error : string not properly closed at line 7. also the java script included doesnot show any error message ... here is the code: [code=HTML]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> … |
| | Question - Three stacks can be used to sort a list of numbers. Assuming stack in holds the input list of numbers, stack out is to hold the output list after sorting the numbers and temp is used during the sorting process. The sorting algorithm follows. 1 set up stack … |
| | please help me in writing a program in java "A student has a name,roll no., class, home address, date of birth. First dessigne a suitable class for date, write constructor and get and set functions. Then dissign a class for students informations. Write constructor, get and set function to calculate … |
| | When i write like This: [CODE]JTextArea area=new JTextArea(); [/CODE] then i can do this :[CODE] area.append("");[/CODE] But when i write this : [CODE]JTextPane area=new JTextPane(); [/CODE] Then i can not write [CODE] area.append("");[/CODE] so what is equal append() method when i use JTextPane???? thanks in advance  |
| | Hi all, i'm trying to get a specific line in a text from a text file. In fact i want to read just the eight first line from my text file. It's only return the four first line. why? here is my code but, there is Format problem. [CODE]import java.io.*; … |
| | hi, Im just wondering on how I could get a columns and a record count I mean the whole thing in a database aside from executing this statement [icode] "select count(*) from myDatabase" [/icode]...is there another statement that i can use instead of this one coz it doesnt retrieve any … |
| | [code] import java.util.*; class Salon { static Scanner sc = new Scanner(System.in); public static void main (String[] args) { int skinType,option,maskType,massageType; System.out.println ("\t\t*********************"); System.out.println ("\r Welcome to Sally Salon"); System.out.println ("\r Services available:"); System.out.println ("\r 1.facial and massage"); System.out.println ("\r 2.facial only"); System.out.println ("\r 3.massage only"); System.out.println ("\t\t*********************"); System.out.println ("\t … |
| | Hi, I'm having a page like below : [code=jsp]<html><head><body> <FONT COLOR=RED SIZE=5> <%@page import ="com.ui.CTransactionManager"%> <%@page import ="com.ui.CUser"%> <% String UserId = request.getParameter("UserId"); CTransactionManager objmanager = new CTransactionManager(); CUser user = objmanager.getUser(UserId); String m_staff_id = user.getStaffId(); out.print( "Staff Id : " +m_staff_id ); %> </font></body></head></html>[/code] here i want to pass … |
 | Hello- I just joined and have read the thread:[url]http://www.daniweb.com/forums/thread48188.html[/url]. I was advised to start a new thread as that one is to old now. Anyway, I have the same problem and am trying to use the "hidden" input tag to access the parameters I need in the jsp. My code … |
| | Hi experts, I have two questions, please help me because I am trying to create an application and I stopped because of these 1) how to read data in servlet from a web page for select menue I have used [request.getParameter("?????")] but I don't know which name I put inside … |
| | hello, can u pls help me sir about my problem in the level order travelsal?... i did trace my code and i found no wrong. but when i compile it, there's something wrong in it and i dont know where... thank u very much! [code] int count = 1; public … |
| | Hey Guys, I have a form that allows for additional rows to be added based on the number of serials being entered however I have just noticed that it cuts off at 9 rows and starts to repost the first 9 rows again for anything past that and i can … |
| | hello, what is java spring? i read its a framework. but what compiler do i use to work with it? and from where i can download java spring? i tried this page [url]http://www.roseindia.net/spring/springdownload.shtml[/url] but their explanation, i dont find the things they put. |
| | hi, i m very new here and also in programming world. i tried to make a program that prints happy and unhappy numbers. but that prints only unhappy numbers and then it goes back to while loop where j remain 0. how can i fix the problem? plz someone help … |
| | Itry to move text in tTextarea to left or to center or to right by pressing to buttons i did like this but unfortuantly it is not work . [CODE] public void actionPerformed(ActionEvent e) { if(e.getSource()==buttons[0]){ area.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT); } if(e.getSource()==buttons[2]){ area.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT); } } [/CODE] area if an object from JTextArea can …  |
 | I'm working on a project in which i have to use J2ME. I've tried a few tutorials but they seem only to be especially oriented to specific problems, and in my programming experience i've learned that's always better to globally know your environment. If anyone knows an e-book (or book) …  |
| | Hi, I am very new to Java and am using Breezy Swing. I basically need to create an array of JButtons (26 in total) and display them on a form (9 on the top row, 9 in the middle and 8 on the bottom) and I have no idea of … |
| | Good Day, I am using an Ms Access Database to design a StockTracker applicaton. The application is used to check the stocks of users. Firstly I need to sign on as an administrator and then be able to add users and their stocks to the database. I have created the … |
| | hi there, how can I change string to xml and vise verse in java, in addition how can I add values to xml according to element name , I can imagine something like "setValue(elementName, the value) ; as we are using in java, any suggestions any help , please! thanks … |
| | I wrote a program to write data in a text file to another text file .what i want to do is to open that modified second text file once I've entered data in to that |
| | i wanted to print random line from a file. i knows how to print out the whole file but doesnt know how should i do to print a random lines from a file!!! hope someone can give me some ideals or an example. thanks! |
| | Howdy, recently I saw something very strange popping up in my catalina.out log files. Where I used to see a class name and line number for the exception I now see "Unknown Source". Does anybody have any ideas why that happened? I need to get the class name and line … |
| | Java vs .NET Which platform is better according to your opinions, Java or .NET, Post your reply here  |
| | Hai friends, How to send and receive mail from my gmail account through java program.is there any way to access? |
| | Hey guys, In Java, there is a method called substring, but what substitute does it have in Python, or do I have to explicitly do it like: [CODE] s=raw_input("Enter a sentence: ") s2="" a=0 b=0 for a in s: if(a==' '): s2= s[b:a] b=a a+=1[/CODE] Thanks guys!  |
| | I have just made a banner in java applets and in status window also i have used a banner but in reverse direction to that of the other banner but the banner in status window does not make use of the whole space of the window and just runs in … |
| | how to prevent unauthorised user from accessing a file by typing the URL directly using a servlet as the preventive measure is what has been a sore for me for some time now.i would be very grateful for any opinion.thanks |
| | Hi Every body Good Day with u.... Help..me for How to find the details like IP, username, any updationby him of the visitors visit my webpage in java |
| | hi all!i have problem to show JPanel in netbean with button here's the code [code=java] private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed NewJPanel x = new NewJPanel(); x.setVisible(true); javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup( jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 30, Short.MAX_VALUE) .addComponent(x) ); jPanel1Layout.setVerticalGroup( jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 30, Short.MAX_VALUE) .addComponent(x) ); [/code] my question how … |
| | Q: Write a program that will determine if a number is even. The program should ask for a number, say X and printout whether "X is even" or " X is not even". This program must use a method with the signature "public static boolean isEven(int i)". |
| | Respected mem, I m struggling to make a project on inventory management system. Which has 5 option on first screen.I will tell u later the remaining. Can u plz. help on this project. |
| | Hi All I want to check whether there is a record present in my database with value: StartDate="Todays's Date" where start date is the column name with datatype DATE. |
 | Hi all, I hope you are well. I am trying to explain some code to a friend : [CODE]StringConcatenate StringConcatenate1 = new StringConcatenate(); StringConcatenate1.stringConcat(); [/CODE] I said that this code creates an object "StringConcatenate1 " of type StringConcatenate and executes method stringConcat() (which is from class StringConcatenate()) on object StringConcatenate1. … |
| | Hi, I was wondering if any one can help me with returning a array element to the main function. The array list will be the main function. I want to send the array list to a method that adds a element to that list and then send it back to …  |
| | hi, Well i am planning to develop the chatting application peer to peer as front end tool java so please guide me how the data will flow? |
| | |
| | Hi All, I need information of a better Java hosting service (better in terms of performance, security, storage, reliability). So if any of you know such kind of service provider thn kindly let me know ASAP. It would be great help from your side. :) Thanks, Priti |
| | Hello everyone, I am doing a project in which one requirement is to play a sequence of audio files..can someone help me with this please...i am really running out of time i just have 1 month to finish my project... |
| | Hi, I need the solution to the below mentioned problem: A Scroll Banner is an applet which displays 2 scrolling messages across the applet’s Window. Since the scrolling of a message is a repetitive task, it is performed by a Separate thread, created by the applet when it is initialized. … |
| | import java.util.*; class FindString { public static void main(String arg[]) { Scanner ob=new Scanner(System.in); String st="I am a student, you're also a ."; String search; String st2=""; String st3=""; int i,c=0; System.out.println(st); System.out.println("Enter your word to search: "); search=ob.next(); do { i=st.indexOf(search); if(i!=-1) { st2=st.substring(0,i); st2+=st3; st2+=st.substring(i+search.length()); c=c+1; st=st2; } … |
The End.