36,051 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 … |
| | Hello every one. Basically i am trying to construct a binary tree. but there's a problem. When i run the program, there is an error. somewhere in the treeInsert method(). I am having difficulty because the root is not node, it is an integer value. then the left and right … |
| | Hi. There is something wrong with the codes of my levelOrder method. Can anybody help me identify the wrong stuff out here? By the way, I also have another problem,what are the uses of setters? I teacher require us to put getters and setters but then I am totally confused … |
| | I want to host a jsp website , what are the server requirements to launch |
 | Hello to everyone, I have been in a boring situation in my project.. [B]I can't forward to a jsp page from my servlet[/B].. I found many codes; but none of them worked.. The URL adress never changes.. (Always stays at the same page) Here's some of codes I tried: [CODE]RequestDispatcher … |
| | We have this program we are supposed to write that takes input from a file with a random word puzzle throws it into an array and prompts the user for a word input or to quit. So far I can get the program to find elements in forward/reverse, up/down, by … |
| | Hi, I have written two classes. One is a pixel grabbing class the other allows the user to open and display an image. What I now want to be able to do is use the image which the use opened in the RunProgram class and grab pixels from it using … |
| | using dialog boxes : input month in "99" form date in "99" form year = 2009 then display the date in 'MMM 99, 2009' form otherwise, display 'invalid date' Valid date 01-12 = Values for month 01-28 = for month - 2 01-30 = for months - 4,6,9,11 01-31 = … |
| | Hey all, ive been searching for a long time and i want to know how am i suppose to display an image that is stored in the database(SQL) in swings in java. i inserted the data in the database as a image datatype(i hope thats right),now the thing is i … |
| | I've been trying to build a java program to display the date in a MM/DD/YYYY format with constructors to link the return data, this is the initial sequence and was wondering about my get and set statement; and their format. // Date class with a constructor to // to initialize … |
 | Hi, What's up everybody ? Names B.SkiLLs or Bones. Wanted to swing through as i seen and came by this forum a couple times, plus was referred a couple times by google while i was searching for something so i figured i would go ahead and join. Seems pretty nice … |
 | Hello, I want to know if it is possible to do that, and how if yes. I tried doing something like this [code=jsp] ... <%! public static Object selectobject; %> <select name"xxx" onChange="<% selectobject = this%>"> </select> ... [/code] But it's not giving me any useful information about the values … |
| | hi; I am trying to create a program that will return information stored as long as the word stop is not entered for the employee name, I cant get the program to work can some one help me with this. this what I have so far. // payroll program upgrade … |
| | Hey everybody :) So im new to programming and im using the jDateChooser from the com.toedter.calendar package the problem that I am having is that I am not able to get the current date to display ... you have to just select the date yourself ... can anyone give me …  |
| | So I was going through the course archives for our CS program and looked at some notes and quizzes from a class that was last taught in Spring of 2008 that I will be taking Fall of 2009. It's called Survey of Programming Languages and I found the section on … |
| | Hi, i am facing a problem on my java assignment recently which require me to read customer records from a text file and pass it into array. After that i need to change the first letter of the name to uppercase and sort it according to the name. However i … |
| | Hello! I have another problem in my binary tree. The countLeaves method does not output the correct answer. Instead of outputting 3, it output 1. I don't know what's the problem on the algorithm of my countLeaves method but I guess it is correct. Can anybody help me solve this … |
| | Hi, i searched a lot in JAVA documentation, but couldn't find a buffer API 1) can grow dynamically. 2) the existing content must shift right if i insert a new element in the existing content index |
| | Hi In am new to developing web applications using java and jsp's, and after a strange problem i encountered was wondering how does the url get populated with the path of the file sometimes and not at other times. Lets say in my web.xml in the welcome-file parameter, the path …  |
| | hi there, I am trying to learn how to generate xml document having the XSD file that describes the schema of the xml, and need to insert specific values for some of the elements, too. then I need to parse other xml files, I have googled about it, and many … |
| | Hi everyone, i'm a beginner in java. i would like to know if somebody couls explain me about the pricing. i don't have more details, it is used for airplane ticket reservation. Or any java project, i would like to test my capacity before searching for job. Thank you very … |
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