35,618 Topics
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| | i am trying to write a code that stimulates an simple ATM. i have two class, one for the Bank Account and another for the ATM itself. [code] public BankAccount(String name1, int acctNum, int pinNum ){ name = name1; accountNumber = acctNum; pinNumber = pinNum; balance = 100.00; } public … |
| | This is my Final Project and as you can see my program asks the users twice for the test grade I am trying to consolodate and have the program only ask for the test score once and give the letter grade at the same time.? any ideas I do not … |
 | I just started java installed everything that I was required. I just completed my python class. for just trying a java code I tried this code. code: [code=java] /** * This program lets the user play HighLow, a simple card game * that is described in the output statements at … |
| | hello there are 19+ sets of Mock test for SCJP 6.0 and SCJP 5.0 available at [[link removed] It is help full for all so i am putting here ... I am not the owner of the website .. |
| | Hello, Can somebody help me out? Well, the problem is the following: I have a JSF page, and the address bar contains a query string, like "...?author=something&title=something". I also have a command button, in its action I want to extract the parameters. So, in the bean I have the following … |
| | Hi everybody. here i have a problem with hashtable. i am storing hashtable in session scope and i want to validate that hashtable with javascript in next jsp . how suresh kumar  |
| | Hello The table's cells contain integer values. I would like to save each one of theme them in an array of integers. The problem is, I don't know how to do so. I tried to use the getValueAt method, but I always get error messages. I tried something like: [CODE]Object … |
| | I'm working on a simple matching game, whereby my array includes 3 numbers:{ 5,9,0 } and the user tries to guess them. Instead, I want to use the Random class to generate 3 different numbers from 0-9, but I'm not sure how or where to start. I came across info … |
| | i have installed Jdk6.0 version, this doesn't contain smack package. here i have written a programme import java.util.Collection; import org.jivesoftware.smack.*; public class GtalkClient { public static void main(String[] args) throws XMPPException { ConnectionConfiguration config = new ConnectionConfiguration("talk.google.com", 5222, "rgukt.in"); XMPPConnection connection = new XMPPConnection(config); connection.connect(); connection.login("< narayana.nuz >","< narayanramlall >"); …  |
| | Hi It is possible to execute terminal commands in java, but is it possible to then get the output or result of the terminal command as input into a java program? If so, may someone tell me how or point to materials that I can read. Many thanks |
| | If I have a hash function h(k, f(i)) and f(int i){ return c * i; } And the first index that it tells me to insert the element at already has an element there, what do I do? Would the proper way to insert an element the first time be … |
| | category table id name date duration 1 aaa 12/12/07 1 2 bbb 10/10/08 1 ......... user_table id name date 1 aaa 12/12/07 2 bbb 10/10/08 ....... rating table id user_id name rating date 1 7 aaa 4 12/12/07 2 8 bbb 3 10/10/08 write now i am displaying these user … |
| | When i create a JTable like the code shown below: [ICODE][B]String[] columnNames = {"First Name", "Last Name", "Sport", "# of Years"}; Object[][] data = { {"", "", new Integer(5),""}, {"", "", new Integer(5),""}, {"", "", new Integer(5),""}, {"", "", new Integer(5),""}, {"", "", new Integer(5),""}, }; JTable table=new JTable(data,columnNames); table.doLayout() …  |
| | The following code compiles, but I don't have any documentation on how to use the "enum" structure. I cant find any info on it in my books or Sun's language documentation... class Test { enum eone { Plus { int operate(int x) { return ++x;} }, Minus { int operate(int … |
| | I'm trying to read in the whole file at once. If this code ever fails, my whole project will fail. I'm using the following: byte[] theFile = new byte[input2.available()]; then, input2.read(theFile); The API says something about blocking. What exactly is blocking, when will it happen, and how will it affect … |
| | Hi can any one send me the code for receving sms through gateway using java program. first i want recevie the sms from mobile through gateway and the i want to send sms to mobile through gateway..plz send me the sample code to achieve this.. Thanks in advance..  |
| | Hi, i got the following situation: When user clicks on some link, I'm entering a servlet in which I'm copying a file to a network drive, and than I want to open this file on the Client side, for example the file to be opened is a .pdf file. I … |
| | Hey everyone, well ill be quickly...ive gotta a JSP page indexMembers.jsp with a button "Show My Reservations" when u click on that button it calls a JFrame (with a JTable inside) with the data from the databse that the user wrote before. now if i click on another button like … |
 | I created a GUI. with a bunch of classes (that extended JPanel) and one that extends JFrame and now I can't figure out how to transfer data between them. lets say I have a public variable set in the JFrame class and a get method like the one below: [CODE=java]public … |
| | Two-dimensional Arrays. My question is based on this info did i code the right ? if not then let me know where did i made mistake? Input Data File here : 88 90 94 102 111 122 134 75 77 80 86 94 103 113 80 83 85 94 100 … |
| | hi every body I am new but there is no time to introduce my self because i have a project to hand in no time but when i tried to lookup session bean in my servlet it give me the error: Borbean not bound //borbean is the session bean so … |
| | Hi I need to get values from xml file. I am trying to do this through JSTL.I worked out in following manner, [code]<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %> <%@ taglib prefix="x" uri="http://java.sun.com/jstl/xml" %> <c:import url="/corporate/commonjs/YUI_js/validation/valid.xml" var="url" /> <x:parse xml="${url}" var="doc" /> <x:out select="$doc/validationcheck/required" /> My xml file contains, <validationcheck> <required>Required</required> <required>この項目は必須です</required> … |
| | I already added the path of my installed java, but the problem is I cannot compile my codes. here is my path. . %SystemRoot%\system32;%SystemRoot%;C:\Program Files\Java\jdk1.6.0_10 and then this is what happens when I compile. . Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\Documents and Settings\Carlo>e: E:\>cd nerd's … |
| | hello, i'm new to jsp but i'm not new to web development and been doing PHP for quite some time... I download Java EE and SDK from sun microsystems website and from there when I installed everything, there's a ready made middle ware software to host jsp pages and servlets. … |
| | Hi I have to make a program to parse html document and check for broken links. I did the first part and now wondering is there a method or class that checks if the link is valid?if not I assumed I can construst a method myself, like get the response … |
| | i want the code in JAVA for the program [COLOR="Red"]"To find the shortest path using the fuzzy logic"[/COLOR] |
| | I am having trouble getting output from this program. The objective of the program is to allow the user to enter 5 scores and then it is supposed to calculate the mean and rearrange the data set from highest to lowest. I am supposed to run it through the AverageDriver …  |
 | I have this method : public void ExecuteSQL(String SQL) { Koneksi getCn = new Koneksi(); Connection cnExecute = null; try { cnExecute = getCn.getConnection(); int rowNgefek = 0; Statement stExecute = cnExecute.createStatement(); cnExecute.setAutoCommit(true); stExecute.executeUpdate(SQL, rowNgefek); cnExecute.commit(); closingConnection (cnExecute,stExecute); } catch (SQLException e) { System.out.println(e.toString()); } } If insert/delete/update raise error, … |
| | Alsalamu Alikum, So, It's my first time to study and work on recursion functions, and it was said in the lecture that it is better than the iterative function because [QUOTE]they are shorter, more elegant, more readable, naturally developing and it's code is easier to understand.It comes with more cost … |
| | Hey folks, I am working on a getBalance method that retrieves a balance from a CSV file. I keep getting: [ICODE][COLOR="Red"]java.lang.NullPointerException at java.util.StringTokenizer.<init>(StringTokenizer.java:182) at java.util.StringTokenizer.<init>(StringTokenizer.java:204) at atmEngine.getBalance(atmEngine.java:100) at atmEngine.<init>(atmEngine.java:81) at Launcher.main(Launcher.java:12)[/COLOR] [/ICODE] I can't figure this one out! I threw in some console print outs to make sure it was … |
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