35,618 Topics
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| | public class j_01_FLOW_06 extends JApplet implements ActionListener { //Choice shoplist = new Choice(); //ButtonGroup bg_group = new ButtonGroup(); CheckboxGroup cg_group = new CheckboxGroup(); JCheckBox cb_i1 = new JCheckBox("fafa"); JCheckBox cb_2 = new JCheckBox("wfw"); JCheckBox cb_3 = new JCheckBox("Computer"); String s_value[]={"white sox","red sox","mets","cordianls","blue jays"}; JList l_list = new JList(s_value); Container c; … |
| | public class J_01_FLOW_08 extends JApplet implements ActionListener { String s_value[]={"white sox","red sox","mets","cordianls","blue jays"}; JList l_list = new JList(s_value); JLabel l_label = new JLabel(); Container c; FlowLayout flow = new FlowLayout(); public void init() { c = getContentPane(); c.setLayout(flow); c.add(l_list); c.add(b); l_list.addActionListener(this); } public void actionPerformed(ActionEvent e) { String pick = …  |
| | so i now awt is the old version. which is Applet swing is the new version which is JApplet. code at bottom, is it normal to mix awt and swing? for ex i am using continer which is awt. and let say i dont want to mix awt with swing … |
| | Hi, I am making a program to open the application TextEdit on a mac (not a specific file, just open the program). I have been researching it, but have not come across much help. I have seen that I should use Runtime or Desktop classes, but i'm not sure which … |
| | protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { int c=0; String u1=request.getParameter("u1"); String e1=request.getParameter("e1"); String user=request.getParameter("user1"); request.setAttribute("u1",u1); request.setAttribute("e1",e1); request.setAttribute("user", user); out.println("welcOme"); Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con =DriverManager.getConnection("Jdbc:Odbc:db5"); String str = "select * from Table1 where email=?"; out.println("welcOme"); PreparedStatement statement = con.prepareStatement(str); statement.setString(1,user); ResultSet … |
| | hello, i am corrently making a desktop application which store the username and passwords from different account. now,i want to know that how can i fill this username and password in particular web site when i click on button. i have written the code for opening the web browser,when i …  |
| | Hi all, I was looking to make an android app that gets data from a C# wcf server - at the minute I can pull some basic data and they are communicating - however what is the best way to create an app like this? I know that networking operations …  |
| | Hi all, I'm developing a simple RMI chat server. Im getting following exception when i execute Client. Server works well. java.lang.IllegalArgumentException: argument type mismatch at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322) at sun.rmi.transport.Transport$1.run(Transport.java:177) at sun.rmi.transport.Transport$1.run(Transport.java:174) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667) … |
| | Hey guys. I have two questions about my code(which has no errors but isnt giving the output i want)...Is it possible to have an if statement in my 3rd constructor? Also why is my output giving the filepath instead of outputting calcutations? Thanks for having a look public class order … |
| | I cant get this program working. Cant really sort out where i am wrong. The program works fine without the save/load object feature. Please help!! import java.io.*; class Account { String name ,accno; double bal; void withdraw(double amt) { System.out.print("Processing"); for(double pr = 0; pr<500000000; pr++); System.out.print("."); for(double pr = … |
| | I am creating a program that has multiple classes. The program draws various shapes on a gui and the program needs to be modified to incorperate a highlighting function if a shape is clicked on. I have done the coding but it is not drawing the circle and I am … |
| | how to connect a database from jsp to check username and password**** |
| | I'm trying to make a video store program that allows customers to search for videos and either buy or rent them. I have already made a class with 3 subclasses, VHS, DVD and VCD. for the meantime,When video objects are first put into the store, the status should be “IN”. … |
| | Hello, I'm building this app, which requires a Camera, but it is not working, it doesn't show anything except the design, here's teh code: Camera c = null; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.qrreaderscreen); SurfaceView v = (SurfaceView) findViewById(R.id.v); SurfaceHolder surface_holder = null; v = new SurfaceView(getApplicationContext()); if (surface_holder … |
| | Hi guys, Finally I've registered after being a very long visitor for this awesome community. I have this problem which consumed 2 days of my time trying to figure out how to solve it. And your help is needed guys. The problem says: Transfer elemenents from Stack1 to Stack2 , …  |
 | this is my code, from the book *Head First Java* ... class Echo { int count=0; void hello() { System.out.println("Helloooo....."); } } public class EchoTestDrive { public static void main(String[] args) { Echo e1 = new Echo(); Echo e2 = new Echo(); // output 10 //Echo e2 = e1; // … |
| | hi suggest me a good exam prepration guide for "Java EE 6 Java Persistence API Developer Certified Expert Exam" Exam Number: 1Z0-898 thanking you |
| | I have created a simple client server chat program using socket. I used to run Client program and Server program separately in two eclipse and chat is done through console only. The logic is as below: System1Class (Server) | System2Class (Client) 1) SendThreadSys1 Class | 1) SendThreadSys2 Class 2) ReceivedThreadSys1 … |
| | public void Enqueue(int value){ node end = endList.next; end.next=null; endList.data=value; endList.next=end; endList=end; Here is my code for an Enqueue method but when I run it mylist.Enqueue(12); It gives me an error. Is something wrong with my method or am I testing it incorrectly? Thanks. |
| | So I am trying to make a tile map editor/reader to create and interact with maps like [this](http://www.codeproject.com/KB/game/Autotiles_Algorithm/TileMapExample.png) , so essnetially I am wondering what the best way to go about this would be. I have not done anyhting graphical in programming in a long time and yeah, I was …  |
 | Hello I want to be able to be on a page and have a favorite that points to http://localhost/export which is a web service. When I select that favorite, the current web page Im on should send all of its source code to the web service. The web service should … |
| | I want to align two text in same line first text should be in left side another one should be in right side of java swing textpane. so I have using style interface and Styleconstants class to align text but it couldn't worked. I have applied some other styles on … |
| | Hello friends, I have created three JComboBoxes. first two of them get list from string. However I select these two comboboxes, the third combobox automatically retrieve data of a particular column from my database. But in my code its only get data from first item which automatically seleted by setmodel … |
| | Hey, Im trying to write a chat program which should be able to run multiple clients using threads. But I seem to get this "java.io.StreamCorruptedException: invalid type code: 00" error the whole time. My server code: [CODE] import java.io.*; import java.net.*; public class Server{ ServerSocket serverSocket; Socket connection = null; … |
| | public class SendMessage { public static void main(String[] args) throws UnsupportedEncodingException { //String strMsg=java.net.URLEncoder.encode("This is API msg", "UTF-8"); callURL("https://api.mVaayoo.com/mvaayooapi/MessageCompose?user=user@gmail.com:1111&senderID=TEST SMS&receipientno=9999999999&dcs=0&msgtxt=msg&state=1"); } public static void callURL(String strURL){ System.out.println(" URL is :"+strURL); try{ URL obj = new URL(strURL); HttpURLConnection httpReq = (HttpURLConnection)obj.openConnection(); httpReq.setDoOutput(true); httpReq.setInstanceFollowRedirects(true); httpReq.setRequestMethod("GET"); String iStatus = httpReq.getResponseMessage(); System.out.println("iStatus: "+iStatus); } … |
 | Hi everybody, I really tried to do my assignment but I am lost . Any helping is very helpful , Thanks Write a program that will generate a set of 50 random integers in the range -20 to + 20. The program should display the following: a) The number of … |
 | Dear All, **Please first accept my humble respects unto all of you**. I am a masters pass out in computer science from a reputed university and I have pretty good knowledge of Java as i have studied and practiced first 6 chapters of Java OCJP by Bates(I am doing remaining … |
| | Hi, I am new to java and am facing this problem. I have to use a TextEditor to display a list of customers. The JAR for that Texteditor which i have to use is available at (http://code.google.com/p/jtexteditor/downloads/list). Below is my class in which i am trying to use it. I … |
| | Hi All, I am not very good with Java and have a project in which i have to use this API ( http://code.google.com/p/jtexteditor/ ) to simply initiate/draw a TextEditor and fill it with the array of data i have. Unfortunatelly, there is no wiki/document/example with this API and i have … |
| | Hi everyone, I'm in an entry level Java class and I'm supposed to be able to count the # of 7's within an integer. I've read the chapters and looked online for help but can't seem to figure it out. We just learned loops (do, while, for) and if statements … |
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