32,205 Topics
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| | String test="abacedabcedbcdea" find the frequency of a , b ,c ,e and d  |
| | Hi, does anyone know what is wrong here? The program is supposed to find the largest number entered, and the 2nd largest number entered. The process for assigning the 2nd largest is not working, I do not think I am evaluating it correctly, and suggestions? [code=java] package random; import java.util.Scanner; … |
| | Any one can tell me how to save text area thing to text file in arranged. like i save it.. become "Splited Result:New Sentence = sdsdsdsd sdsd sds.Tokenized Result:sdsdsdsd | sdsd | sds | Part of Speech Result:sdsdsdsd/KNK | sdsd/KNK | sds/KNK | i wan it become like tat : …  |
| | Hi I want to program a IM in java, but I don't know where to start. I can't find information on the net about IM programming. Could anyone please help me, I'm lost. I want to hopefully get the IM working from pc to mobile phone and vice versa. Any …  |
| | hi friends i am connecting to sql server with java through eclipse as IDE. here's my base connectivity class to sql server public class BaseDAO { public Connection getConnection() throws Exception { String userName = "aman"; String password = "password"; String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=amandb"; // step 1 Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance(); // Step … |
| | Hi, does anyone know how to calculate the time difference between one row and another row inside one column? The time is already sort in a column. So, I hope to know that the difference time between first row and second row and consequently. Time is count by using the … |
| | Hey guys, I'm new here. Hello. I have a question for you huys. I've been stuck here for more than 2 hours figuring this out. Problem Create a menu-driven "Guess the Number Game" that allows the player to choose from two options: Version 1 - allows unlimited guesses Version 2 … |
| | firstly hello to you all.. Secondly, im new(ish) to java and prone to doing silly things so i'm probably doing it all wrong BUT I want to be able to have a class that has as one of its members as an array of objects. When the class is instanced … |
| | I am trying to add data from an array into a jTable, I have seen [URL="http://www.netbeans.org/kb/55/vwp-databoundcomponents.html"]one[/URL] or [URL="http://blogs.sun.com/winston/entry/nb6_table_binding_enhancement"]two[/URL] tutorials which say go to the "Table Layout" page but I cannot find this page anywhere in NB (have been searching for ages now) so I cant get my array into my … |
 | Binary Search tree help Can somebody explain to me what this code is doing step by step?, thanks [CODE=java] TREE-SUCCESSOR(x) 1 if right[x] ≠ NIL 2 then return TREE-MINIMUM (right[x]) 3 y ← p[x] 4 while y ≠ NIL and x = right[y] 5 do x ← y 6 y … |
 | Hi guys, I am trying to use JavaWebstart to launch a application i have developed. I have two problems: 1. It doesn't launch in Firefox but it works in IE7 2. After loading the file says Unable to Launch Application Here is the link[URL="http://nerdaid.ca/offsitelaunch.jnlp"] http://nerdaid.ca/offsitelaunch.jnlp[/URL] please check it out let … |
| | hello im trying to get down a model that conceptually represents the data transfers that my application uses. I basically got this: [End User] <- command line interface -> [My Program] <-> { Java Virtual Machine <-> Java Interpreter <-> Operating System/Windows } <-> Computer The program uses Java's I/O … |
| | Ok, just need some guidance on this, I have an array and a few text fields but am unsure about how to actually insert the text from the fields into an array when the ok button is pressed . I thought I would have to use "getInputValue()" and create a … |
| | Hey! Does anyone know how to print out several pages? I have no problem printing out first page but the rest of the pages is a problem for me. All pages look the same just with different text so I don't think I need the book class for that. The …  |
| | after building the GUI using the java swing and awt ,how do i make the response of my mouse click pass the mesage accross from the client;s machine to the server machine?and where can i reaD more about it and also how do i get it to control and update …  |
| | I am trying to implement the calculations, and I am getting totally wrong answers. This program is to calculate the distance of a projectile based on launch angles as well as (of course) launch velocities(speeds). The formula is as follows: [URL="http://learn.flvs.net/webdav/educator_apcsa_v8/module09/rtfmod09/09_04_VirtualLectureNotes.pdf"]http://learn.flvs.net/webdav/educator_apcsa_v8/module09/rtfmod09/09_04_VirtualLectureNotes.pdf[/URL] Here is the code that I have for doing … |
| | This is my first post: Ok, there's GPL'ed programs, and GPL'ed Java. Is my java program, which uses no other GPL'ed programs all my own? Simple question, simple answer... don |
| | I am very much a beginner in programming, so this maybe nothin but this error keeps popping up and i'm unsure why. cannot find symbol - constructor Track this is my source code and its a work in progress. public class Track { private String name; private String creator; private … |
| | Hi Im trying to write simple miles per gallon program, I have gotten every part so far, but I cannot figure out how to "calculate and display the miles per gallon obtained for each tankful and print the combined miles per gallon obtained for all tankfuls up to this point." … |
| | Hi, Im trying to write a program of a salary from a textbook problem, but am having a hard time. Hopefully you can get the gist of the program, I want it to keep asking for items of what the "salesperson" has sold, until an invalid item is entered, where … |
| | I got an string with values of lat long and i want to get the content of each first the desccription and then the values the string Autopista Caracas-ValenciaCaraboboCalles, carreteras, caminos, o ferrocarril10.2166667-67.3333333Autopista Valencia Puerto CabelloCaraboboCalles, carreteras, caminos, o ferrocarril10.3272222-68.0961111 i want o get Autopista Caracas-ValenciaCaraboboCalles, carreteras, caminos, o ferrocarril@10.2166667 … |
| | Could potentially have the longest error message EVER and have no idea how to solve it .... Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems: The import java.sql cannot be resolved The import javax cannot be resolved Connection cannot be resolved to a type Statement cannot be resolved to a … |
| | please help me to resolve the databasbase connectivity problem in java for mysql .i am using jdk 1.5 ,if there is need to put a file then please mention where it should be copied ,and i am writing the code and error occuring that code. code: import java.sql.ResultSet; import java.sql.SQLException; … |
| | Could someone please help I am getting an illegal start of expression [code] import java.util.Scanner; public class 9a { // The main method public static void main( String args[] ) { Scanner input = new Scanner(System.in); // declares and initializes the variables used to store user input. int n1; double … |
| | I am almost done with my program. And for some reason i cannot get my boolean to become true. here is the code [CODE]//This program allows the user to order a pizza import java.util.Scanner; import java.text.*; public class PizzaOrder { public static void main(String [] args) { //create a Scanner … |
| | This is my code: package hello; import javax.microedition.midlet.*; import javax.microedition.lcdui.*; /** * @author User */ public class TBexample extends MIDlet { Display display; public static String txt; TextBox sample; public TBexample() { txt = "enter your text here"; } public void startApp() { // String localtext ="hi"; display = Display.getDisplay(this); … |
| | I'm working on this polynomial program but I have stuck at some points which still don't know what's wrong exactly. So anyway, I have to add 2 polynomials, subtracts, and multiply. So could anyone please correct this code below. Thank you very much!! [code=syntax] public class Polynomial implements Cloneable { … |
| | Hi, I formatted my pc and restored everything back and now I forgot how to install jdk and set the path. I am using windows vista..... I created a CLASSPATH in system variables as follows .;C:\Program Files\Java\jre1.6.0_02\bin and path in system variables as %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\Java\jdk1.6.0_12\bin and again a new path … |
| | Hi, I am trying write a program to input and output data from a microsoft access file with java.sql class and the swing class. basically i am on the first stage, trying to figure out different parts. the first thing i would like to know is: (assume it is already … |
| | i am using an else if to call a method from another class but it says a ')' is expected can anyone help please :D else if (source == tol.jbTakeOut) { bookname = tol.jtfBookName.getText(); authorf = tol.jtfAuthorFName.getText(); authors = tol.jtfAuthorSName.getText(); [I]Store.changeLoanStatus(String bookname, String authorf, String authors);[/I] //the line which the … |
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