36,051 Topics
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| | Hi all...i'm currently trying to manipulate strings from tokens. may i know how to eliminate a char from a token without splitting it?Below is some code that i tried.How can i eliminate a certain word after the tokens are set? [CODE] package autotextsum; import java.util.*; import java.util.StringTokenizer; public class AutoTextSumm … |
| | Why this code fails.... ? [CODE] String a = "abcd/dgws"; a.replaceAll("/", "\\"); [/CODE] it results in ...... Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 1 at java.lang.String.charAt(String.java:558) at java.util.regex.Matcher.appendReplacement(Matcher.java:696) at java.util.regex.Matcher.replaceAll(Matcher.java:806) at java.lang.String.replaceAll(String.java:2000) |
| | Assumming that program name is "XML.java", I need to perform the followings for each input file in command line--without running the code for every test file: java Xml < input1.txt java Xml < input2.txt : So My Code IS: [CODE]BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));[/CODE] [CODE]String fileName = bf.readLine();[/CODE] [CODE]File … |
| | I am trying to assign variables in my array diveScore using a for-each loop. However, I don't understand why it isn't working and every element is 0.0 after the loop has ended. Eclipse is showing no errors so I am sure there is something wrong with my logic. Thanks. [code=java] … |
 | I've a assignment question, A point on two dimensional plane can be represented by two numbers: an x coordinate and y coordinate. Eg (4,5). The sum of two point can be defined as a new point whose x coordinate is the sum of the x coordinates of two points similarly … |
| | Hi i want to write bluetooth base app for send and recive string between two device . i have problem . i send string from device A and device B recive it but when i try to send answer from device B to A i get this notifier : [QUOTE]javax.bluetooth.BluetoothExeption: … |
| | [B]what will be the query for ms access table to update a specific row? Code below is not making a valid result set resulting in exception? need help[/B]:-/ [CODE] import java.sql.*; class OdbcAccessQuery { public static void main(String [] args) { Connection con = null; try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); con = …  |
| | Im trying to make it so that my menu options that i've highlighted are their own method but i was having issues with returning them so i could use the selection as an int for my switch statement.Any ideas? [CODE]import javax.swing.JOptionPane; public class ConversionProgram { /** * @param args */ … |
| | [B]somebody please tell me why im not getting String(X) value as ID,Name,FName are being printed on console correctly but the name of ID(4) from my DB_table is not going into string(X); [/B] [CODE] package gym.resources.busyicons; import java.sql.*; class OdbcAccessQuery { public static void main(String [] args) { Connection con = … |
| | This is the assignment: Write the program in Java (with a graphical user interface) and have it calculate and display the mortgage payment amount from user input of the amount of the mortgage and the user's selection from a menu of available mortgage loans: - 7 years at 5.35% - … |
| | Dear All, I am new to hibernate. Please help me out in solving the following error: [Fatal Error] :5:2: The markup in the document following the root element must be well-formed. C:\Documents and Settings\Neetu.Khanna\My Documents\NetBeansProjects\HibernateExp\nbproject\build-impl.xml:584: Deployment error: Tomcat configuration file C:\Documents and Settings\Neetu.Khanna\My Documents\NetBeansProjects\HibernateExp\web\META-INF\context.xml seems to be broken. Please make …  |
| | This is the program in java which is an interface to stanford postagger. I have attached a copy of it. I am using netbeans 6.7.1 . I have placed the model file which is "left3words-wsj-0-18.tagger" in the bin folder of jdk and also placed the stanford-postagger.jar in that folder. I … |
| | Hi Guys I wonder if you can help me get my head around this. I am trying to search a String for a sub string but there are not gaps in the original string for example [code] String s1 = "www.google.com/search/" String s2 = "google" [/code] when i attempt to … |
| | hi friends, I am a novice java programmer. I am in a learning process in java servlets. But i struck into a Class method which should return a result set as an array. I will show my code as some one can point out where am i going wrong. Currently … |
 | I want to add the created textfields to an array by default. Is there any configuration for the editor of NetBeans or I need to code it to take all separate components to an array. Thanks :) |
| | Hi , I am having a hashtable which consists of some keys and values.I can able to get the information from the hashtable using iterator or Enumeration. [code] import java.util.*; import java.util.Hashtable.*; import java.util.Iterator.*; import java.util.Enumeration.*; import java.io.*; class ex_hashtable { public static void main(String args[])throws IOException{ Hashtable<Integer,String> hobj=new Hashtable<Integer,String>(); … |
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| | I am a new learner of Java. Thq question is "Write a Java program ShowStars.java so that java ShowStars numA1 numB1 .... display a sequence of stars "*", starting from position numA1 and ending at position numB1. If there are further such integer pairs, say, numA2 and numB2, do the …  |
| | guys........ can anybody help me in FUNCTRIONS?? i'm not able to understand it. can u show me examples also???????? pls:icon_confused: :cool: pls reply............. thankyou.........:?: |
| | i want to know that.. i hava a small java program i.e to caliculate electricity bill(home or commercial). i have compiled and executed it. so now i want to turn this program to a appilcation like caliculator. How?.  |
| | hi I want any type of source for "some sample projects " to know realtime coding about Servlets and JSP. |
| | I keep getting these errors when I try to run the program Exception in thread "main" java.lang.NumberFormatException: For input string: "GTR" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) at java.lang.Integer.parseInt(Integer.java:449) at java.lang.Integer.parseInt(Integer.java:499) at Inventory6.addProductToInventory2(Inventory6.java:549) at Inventory6.main(Inventory6.java:734) I've spent hours trying to figure out what I'm doing wrong and it's due in a few hours. I … |
| | im trying to figure out how to get the max and min of the values that are entered if i run this program. I want the user to enter in a series of numbers until they were finished and to terminate it to type -99. I'm having quite a few … |
| | I already have a Please Press Enter to continue... Statement for the end of my list that will allow the list to stay on the screen, be read, then when the user is ready they hit enter and the list continues to the next page. That is part of the … |
| | See the code below, [CODE]import java.io.*; class Test1 { public static void main (String arge[]) throws IOException { InputStreamReader values = new InputStreamReader (System.in); BufferedReader br = new BufferedReader (values); String value,store; char ch; System.out.print ("Input String: "); value = br.readLine(); store = ''; int ln = value.length(); for (int … |
| | how do i store a .bmp image or a .jpg image in a table in MS Access database? |
| | Hello everybody!!! Can someone help me on how to create an executable file on java? I made some applications in java but my problem is, I need to compile my program everytime I want them to run ... What I want is to compile my program once and then just … |
 | i create a java prog for simple banking purpose.. but its not working properly... when we create account through 2nd option,it work as it coded but if go through 1st option it doesnot access created object but create new one....and unable to perform deposit and withdraw function in created account. … |
| | The two numbers are accepted as Commamnd line arguements and GCD of those numbers are found using a recursive method. |
| | I got to assignment first one was to print the data of two students using different classes and constructors and count the total numbers of records and i've done this. here is the program. [CODE]public class Student { int RollNo; String name; static int stdcount=0; public void print(){ System.out.println ("Roll … |
| | [url]http://www.gasuinfo.org/planetarysystem/index.html[/url] [CODE]<html> <head> <title>Planetary system</title> </head> <body> <p> Applet</p> <p align=center> <applet code="applet.class" archive="planetary.jar" width="900" height="600" > </applet> </p> </body> </html>[/CODE] if i run my applet from eclipse, then it works fine. in command line i wrote [I]jar cvf0 planetary.jar *[/I], jar file was created and i uploaded it and … |
| | I am trying to connect to a SQL server 2008 database from within Eclipse. My SQL server uses integrated authentication for login. Eclipse prompts for integrated authentication , but it is unable to login. I get an error message as "This driver is not configured for Integrated authentication". The sqljdbc_auth.dll … |
| | i would need same help, i don't understand why this is not working what i'm trying to do is to make a small slideshow. i searched the web and i saw that this it should be done... my problem is that the JLabel that should contain an ImageIcon doesn't load … |
| | hi m working on an image editor as its my class project.i have the difficulty in displaying image on aa panel in the same frame view in netbean 6.9.plz help me |
| | plz tell me where i am stuck.how could i solve this package drawing; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.io.File; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.*; import javax.swing.event.*; /** * * @author */ … |
| | Write a grading program that helps to determine your letter grade based on your exam score. For example, when you put in exam score of 80, the program will determine you get a B. Please note the following: 1) Your letter will be determined by only one exam score. 2) … |
| | Ive made this calculator using java swing.I want to add new buttons to my frame if user selects 'Scientific' from file menu and remove buttons frome the frame if user selects 'Standard' from the menu. By default it is selected to standard. Write now a new window pops up above … |
| | Ive made this calculator using java swing.I want to add new buttons to my frame if user selects 'Scientific' from file menu and remove buttons frome the frame if user selects 'Standard' from the menu. By default it is selected to standard. Write now a new window pops up above … |
| | Hi, I get the following output : I dont understand why after the decimal point, the values start changing from 0.13223. The line in the code is temp = temp - 0.001; For the file0 the value of temp is 0.14623 For the file0 the value of temp is 0.14523 … |
| | I see about Tim sort on Wikipedia..? But, I can't understand on tim sort code(java). I want Example of Tim sort for learn it. To understand it. Thanks for your help. Tim sort is a less data for learned. |
| | Hi sorry about this kind of nooby question but i have started learning java and i am making a Chat Application, i am making it using the killer game programming in java book. But i have ran into a problem. The Code asks me to import [CODE]import javax.servlet.*; import javax.servlet.http.*;[/CODE] … |
| | import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.text.*; import java.text.*; public class Vhea extends Frame implements ActionListener{ JFrame frame; JPanel panel1, panel2, panel3; JLabel inputLabel; JFormattedTextField inputField; JButton button; Container contentPane; JOptionPane optionPane; String inputTxt=""; public static void main(String[] args) { Vhea tm = new Vhea(); } Vhea() { frame … |
| | Hi well i had difficulty using javax.servlet; so i downloaded the class files of the sun website. but i dont know how to use them in netbeans ide 6.9? does anybody know how to import them into a project? i have the entire javax.servlet package(includes javax.servlet.http; )the class files are … |
| | Hi all, I want to display the Number values instead of String. For example, if the User gives the Input as fifty, i displayed the Output as 50. Is any existing method in Java to call for displaying Numbers? Or how can i solve this problem? Thanks in advance and … |
| | [code]import java.sql.*; import javax.sql.*; import javax.swing.*; import java.applet.*; import java.awt.event.*; import java.awt.*; public class Display extends JFrame implements ActionListener { JLabel l1; JTextField t1,t2; JButton b1,b2; public Display(String s) { super(s); l1 = new JLabel("user name"); b1 = new JButton("submit"); b2 = new JButton("reset"); t1 = new JTextField(20); t2 = … |
| | I have a problem involving Generics. Here's a simplified version: Suppose I have a generic method to add a new element to a (possibly empty) ArrayList, like this: [CODE]<T> void addNewTo(ArrayList<T> list)[/CODE] What I need to do is to determine the correct class for the ArrayList elements so as to … |
| | Hi, I have a question regarding compilation. I am having 2 classes and one class basically uses another class. Let's say for instance we have 2 classes A and B. Now class B have something like this: Class B { public void x() { A a= new A(); a.getSomething(); } … |
| | I have a group of textField and I need to add some more to this group dynamically with user input. For Example Scenario. I have some stuffs that are sold in a shop and I have textFields for each to show their amounts. I get a new kind of stuff. … |
| | hi Guys i'm new to ajax and jsp and i'm trying to execute some code . i'm not getting any error but i'm also not getting any result that i want i have placed code here pls make any correction if it has to be done thank you . caller.jsp … |
| | Java - Is it possible to run the swing class in the applets. I'm having problems running the message windows inside the applet windows... any suggestions? I may need to know this for my future programming assignments. Thanks! |
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