35,619 Topics
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| | I am currently doing a project on LR Parsers and need to code the algorithm using Java. The code should use the parse tables and determine wheather a word is accepted using the grammar provided and using the Parser tables. I am stuck on where to start so any advice … |
 | Hi, I am having problems in accessing the value of a string variable (string1 here). It is working in one way when i put it inside constructor:- [CODE] public class Demo1 extends JFrame implements ActionListener, ItemListener public string string1; Demo1 { Action a1 = new AbstractAction("Some Action") { public void … |
| | Hey there everyone. I David. I am have a problem with the end of line keystroke ( Ctrl+Z ) in the Netbeans and JBuilder Compiler, when I press the buttons simultaneously nothing happens but when I do it in Eclipse it works fine. Here is a look at the code.Help … |
| | Hello, I am trying to read in a tab delimited text file. Most lines in the file are in the following format: [CODE] Col1 Col2 Col3 data1 data2 data3 data1 data2 data3 [/CODE] But some lines are missing the first value: [CODE] Col1 Col2 Col3 data1 data2 data3 data2 data3 … |
| | edit: I see a lot of other threads on Daniweb on this. But after 2+ hours of reading about Sound in Java, I'm even more frustrated, so I have some questions. 1. Is the Java Sound API sufficient for the following operations: Playing mp3 audio files, pausing, and fast forward/rewinding … |
| | I was Writing a code to connect data base and add the following code to my action.java Connection connection=getConnection("UserBook","UserBook123","catalog","localhost"); String sql="select BookName from book"; PreparedStatement ps=null; ps=connection.PreparedStatement(sql); ResultSet set=ps.executeQuery(); while(set!=null&&set.next()) { System.out.println(set.getString("BookName")); } connection.close(); the error i get is "The method PreparedStatement(String) is undefined for the type Connection" Need to … |
| | Hello, I am trying to create a simple ftp client. I'm following the instructions from [URL="http://www.nsftools.com/tips/JavaFtp.htm"]http://www.nsftools.com/tips/JavaFtp.htm[/URL](option 4) If you take look at JakartaWrapperTest.java, The first line is import JakartaFtpWrapper; So When do javac JakartaFtpWrapper.java JakartaWrapperTest.java -cp commons-net-ftp-2.0.jar I get an error saying [B]'.' expected[/B]. And if I comment out the … |
| | heres the code i put [ICODE] import java.net.URL; import com.sun.j3d.loaders.*; import com.glyphein.j3d.loaders.milkshape.MS3DLoader; public class shoulders { try { Scene s = null; Loader loader = new MS3DLoader (MS3DLoader.LOAD_ALL); // .ms3d Loader java.io.File file = new java.io.File("./model.ms3d"); if (file.getParent().length() > 0) loader.setBasePath(file.getParent() + java.io.File.separator); Scene scene = loader.load(file.getName()); BranchGroup group = … |
| | Hi,i am newbie is it possible for user upload the image(flower) and search for the same /similar image(flower) by using jsp/PHP and MYSQL? thanks:-)  |
| | Hi all, I need information of a better Java hosting service (better in terms of performance, security, storage, reliability). I do not want to compromise with performance and reliability/security. So if any of you know such kind of service provider thn kindly let me know ASAP. It would be great … |
| | i want to make a project on "project distribution system for any company", for which i need to include database my problem is that where to start ...what to do ....?? can we make this online ..??? |
| | Hi, I want to convert a Treepath into a String so that I can use it for IO operations ... How can I do it ? Suppose I have a Treepath variable like this:- [CODE]TreePath path = m_tree.getPathForLocation(x, y)[/CODE] Thanks in advance  |
| | Plz help to print ******* **1sp** * 5 sp * **1sp** ******* |
| | Plz Help me to print in [B]java [/B] a b a b c b a b c d c b a b c d c b a b c b a b a |
| | this is two questions: list the order of the threads. i am not sure of the answer but i have included my thinking, thanks. Thread State Priority threadA Runnable 5 threadB Sleeping 5 threadC Sleeping 5 threadD Waiting 5 threadE Runnable 5 ANSWER: A,E,D,B,C Thread State Priority threadA Runnable 5 …  |
 | hi to all programmer... i have a problem about this program .. an error exist .. [code="java"] import java.io.*; import java.awt.Graphics; import java.util.Random; import javax.swing.*; public class midquiz 2{ // "{" expected public static void main (String [] args) throws IOExeption{ BufferedReader 9new InputStreamreader (System.in)); String name,pass,ans; String pass1="pOLOtAn"; int … |
| | import.java.util.Scanner; <Error This ?> [<identifier> expected] class Work3_2 { public static void main(String[] args) { Scanner input=new Scanner(System.in); String carid; int park,pay; int parked; System.out.print("Enter Car ID : "); carid=input.next(); System.out.print("Enter Parking Times : "); park=input.nextInt(); parked=park*60; if(parked <=15) pay = 0; else if(parked >15 && park <=60) pay=20; else …  |
| | hi all there ! I have problem with java file object that when ever i want to delete a file from the server i have check whether its exist or not for this i get fileObject.getAbsolute path but it return me wrong path but i get path from db a … |
| | Hi, i was wondering what would be the best way of reading a single line from a text file? For example, i have a file that contains the following data: dog cat bird deer How can i read the 3rd line of the file? I was thinking that i would …  |
| | hi guys, how can I retrieve the total record count from a database? I mean is there a method like "rst.recordCount"? or whatsoever? thanks... |
| | Hello, I have a menu.jsp included in all the jsps. When I click a link in the menu it calls the respective page and the menu.jsp is also refreshed. I want to write a java script to highlight the menu link that was clicked. But since the menu jsp is … |
| | I just Started Java BUT I'M FOR SURE I CAN GET A HANG OF THIS! ive typed these pages out and Cant Find the Problem.. I NEVER START OUT EASY!! SO FAR EVERY TIME I START OUT EASY I LOSE WHERE I AM!! so this is a rotating 2d picture.. … |
| | I am making a online movie tickets booking website and in my index page I have 5 drop down boxes movies, timings, theatre name, date and price. All these drop down boxes use 2 sql tables. What I need is that the drop down boxes get populated from the databse …  |
| | Hi guys, i am new to JSP that is why i look forward your assistance. I have a JSP page where 3 drop down lists are. on the basis of selected value from first drop down i need to have trigg new values into 2nd drop down and similarly in … |
| | Hi everyone. So here is my dilemma, I am working on my final project, tackling it one item at a time, so this post is strictly for help deleting a record out of my array. I think I have everything set up right to call to a Method I am … |
| | I donno why I am not able to get the popup for this JTree. This tree is found almost in all tutorial ? [CODE]import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; import java.text.SimpleDateFormat; import javax.swing.*; import javax.swing.tree.*; import javax.swing.event.*; public class FileTree2 extends JFrame { public static final ImageIcon ICON_COMPUTER … |
| | Hi All I am developing a application n having a serious problem. Think we have opened some running applications like text document and after a particaular time i want to autosave data from that application at a default path.Pls try to solve me this problem Thanks in Advance |
| | I try to draw line with this code but it never appear say to me the correct way for doing this . This is my code: [ICODE]public class MyMouse extends JFrame { private JPanel mainPenl; private JPanel paintPanel, componentsPaintPanel, areaPanel, areaPaintPanel; String[] buttonsName = {"Line", "Oval", "Rectangle"}; JButton[] paintButtons; MyMouseAdapter … |
| | i wish to add another column using code in JDBC.I have one column columnname i wish to add a text type(data type in access) column in the access file my code is [code] import java.sql.*; public class Test3 { public static void main(String[] args) { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); /* the … |
| | i have created 2 files 1.chat.html [code] <HTML> <HEAD> <TITLE>Enter your name</TITLE> </HEAD> <BODY> <H1>Enter your name</H1> <FORM NAME="form1" ACTION="chat123.jsp" METHOD="POST"> <INPUT TYPE="TEXT" NAME="text"> <INPUT TYPE="SUBMIT" VALUE="Submit"> </FORM> </BODY> </HTML> [/code] 2.chat123.jsp [code] <HTML> <HEAD> <TITLE> Using Java in JSP </TITLE> </HEAD> <BODY> <H1>Using Java in JSP</H1> Your Name is … |
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