398 Posted Topics
![]() | Re: [QUOTE=v3ga;1758099]My objective is to implement a GUI calculator in java. I am thinking of passing the expression entered by the user to bc and then get output from terminal and print to user. My question is [LIST=1] [*]How to execute a terminal command from java so that i can pass … ![]() |
Re: [QUOTE=newbie14;1759205]I have socket connection which keep reading data and then it will send it via a queue for next processing in another thread. I notice at times it just stop sending data to the queue. I will print this System.out.println("\n\nSending TO QUEUE : "+message); and stop but I do not … | |
Re: [QUOTE=riahc3;1759341]Hey I have a folder in my current working path and I want to make a copy of a file inside it to the the current working path. Its kind of a dumb question, I know, but how do it do it? Thank you.[/QUOTE] maybe this:[url]http://edgblog.wordpress.com/2010/02/20/how-to-copy-a-file-in-java/[/url] and this:[url]http://www.java7developer.com/blog/?p=334[/url] and this:[url]http://codingjunkie.net/java-7-copy-move/[/url] … | |
Re: [QUOTE=kyriacos1986;1760785]I want to read from the keyboard the first name and last name of a member separated by space I have tried the following but it doesn't work. [CODE] public static void updateWeight() { Scanner in = new Scanner(System.in); // Creation of a new Scanner object String tempName = ""; … | |
Re: [QUOTE=Goldfinch;1760737]What I'm saying is, I'm trying to see if I can access the values assigned to arrayList in the readFile method from outside readFile when the method is done executing. When I wrote "access assigned," I mean accessing the strings assigned to ArrayList within the readFile method from outside the … | |
Re: [QUOTE=TIM_M_91;1760777]Hi Guys well what I want to do is instead of within my writeString to set my PLAYCOUNT to '16' what I want to do is every time the statement is executed my PLAYCOUNT is increased by 1. Any help you can give would be appreciated: My code is below: … | |
Re: [QUOTE=Webville312;1760489]Hello, all; I have been running a midlet on my computer, however whenever I try to acces the database, I get the following error : javax.microedition.io.ConnectionNotFoundException: TCP open What could be the problem and how can I go about it? Thanx in advance.[/QUOTE] Mind showing some code at the line … | |
Re: [QUOTE=javaa;1759132]Hello Every one ... My proplem started before a month and can't get any answer for it .. when i create a java program and need to make it an excutable file .. after done with program that contain's picture's and sound file's I converted it from .java to .jar … | |
Re: [QUOTE=1bung100;1759522]I know there are 3 different ways to parse xml - using API - DOM - SAX But i found that in Digester related examples xml parsing is also performed. So I want to know whether Digester is also an xml parser or not? If not what is the main … | |
![]() | Re: [QUOTE=DJSAN10;1759269]I did not understand your question.It is going in the if statement for the first time according to what output you are getting. I suppose your problem is something else. and Assuming initially value of done was false, so !done evaluated to true and you entered while loop for the … |
Re: [QUOTE=rushikesh jadha;1756996]ok. then how to set JPEG image to frame through label.[/QUOTE] see here:[url]http://www.java2s.com/Code/Java/Swing-JFC/CreateaJLabelwithanimageicon.htm[/url] | |
Re: [QUOTE=uurcnyldrm;1758865]I'm just getting different ideas from different people. If you don't give an ideas or suggestions, why are you trying to make things different??? I won't do what you would say exactly, as I said many times, I'm just looking for something different. It is that simple. Please don't try … | |
Re: [QUOTE=zina_a;1758983]hello, I need help please how can I call the command prompt in a java application,I want to make the prompt command as an option in my application,but i don't know how,can any one help me please and thanks[/QUOTE] Also you could use ProcessBuilder class if you want to pass … | |
Re: [QUOTE=computerdude87;1758065]Can anyone tell me why I keep getting a value of 0 returned? [CODE] public static void main(String[] args) { double getSum = 0; double getAverage = 0; String num1 = JOptionPane.showInputDialog(null, "Please enter your first number"); String num2 = JOptionPane.showInputDialog(null,"Please enter your second number"); String num3 = JOptionPane.showInputDialog(null, "Please … | |
Re: [QUOTE=kalcio;1756726]hello, I prepare an application uses the result of the command prompt (Runtime.getRuntime (). exec (cmd)) for a command already entered, and displays it in a Textarea, but I notice that if I use a modal box the problem persists, my problem is that this application is in frensh,if any … | |
Re: [QUOTE=aanshik;1757783]which one of best in java struts1.3 struts2 Regards [URL="http://www.supportcorporate.com/staff-augmentation.php"]Staff Augmentation Services[/URL][/QUOTE] check here:[url]http://www.javabeat.net/tips/139-struts-10-vs-struts-20.html[/url] and here:[url]http://www.oranda.com/webapp/struts2.html[/url] the newer one is always better i would say...If you dont know either then start with the newer | |
Re: [QUOTE=bloodbender;1757889]lol, thanks for your reply stultuske, but I know the order of precedence for calculations. That's not what I was asking. If you read my post again, I said So yes, I know x is supposed to evaluate to 7, exactly how you described it, but after that statement ends … | |
Re: [QUOTE=Torf;1756644]I'm wanting to convert this part of the pseudo-code... [code] public class program { public static void main(string[] args) { String name =""; String address =""; int item; int quantity; double price; int[] size = new int[6]; [/code] I'm not sure how to do this here... and it looks like … | |
Re: [QUOTE=adil_bashir;1756572]Ihave written the below pieces of code, but i am not able to solve the compilation error here as it shows the error as ArrayOutOfBoundsException error. so please tell me hw to remove the error and please bring the necessary changes. [CODE] import java.util.*; public class Cipher { private int … | |
Re: [QUOTE=adil_bashir;1757229]but what if my input string will be itself a string like this: String input = "adil"; and i want to convert it into int like its ASCII value.[/QUOTE] well you'd first make an int[] thats equal to the size of the string ie string.length() then you'd have a for … | |
Re: [QUOTE=adil_bashir;1757265][CODE] public static void main(String[] ar) { ..... int N = Integer.parseInt(args[0]); ..... } [/CODE] Error is : Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0[/QUOTE] how does this:[code]public static void main(String[] ar)//string[] ar[/code] match this:[code]args[0][/code] im surprised it even compiles | |
Re: [QUOTE=MrHardRock;1757253]Hey everyone, I recently had the assignment to write a recursive program to calculate greatest common denominator. I barely understood recursion when our instructor explained it to us. I understood how it works and calling on itself I am just bad at implementing it. I think I almost got my … | |
![]() | Re: [QUOTE=mehnihma;1756652]can someone help me how how can catch CTRL C and print it out then stop the program? Thanks [CODE]/** * 218-102 Lab 7 * TestCircle.java * * @author JKang & JLeone * */ import java.util.*; import java.awt.event.*; import javax.swing.*; import java.awt.*; public class TestCircleB { public static void main(String … ![]() |
Re: well i use only Windows 7 x64 as an OS, and Visual Studios for my C# and the occasional c and c++ apps, and netbeans for my java! :) | |
Re: [QUOTE=DJSAN10;1756861]I want to create a regular expression that matches with the string "B. Hello" or "C. Hello" and so on.. I tried number of things and finally came up with this [CODE]String REGEX = "[A-Za-z]"+Pattern.quote(".")+" Hello";[/CODE] but still no luck.. I tries using '\s' for space but still not working. … | |
Re: [QUOTE=TIM_M_91;1756648]Hi guys well I have a problem on my JFrame which is once I click on my List all Videos button it displays my data from my MS database which all works well. However as you can see from the png the query results are not aligned up correctly together … | |
Re: [QUOTE=rushikesh jadha;1756363]i have created program below ,but it does not run successfully why [CODE]import java.sql.*; public class Bank { public static void main(String[] args) throws Exception { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); // TODO code application logic here try{ Connection cn=DriverManager.getConnection("jdbc:odbc:rushiDSN"); System.out.println("Connected Successfully"); Statement stmt=cn.createStatement(); stmt.executeUpdate("CREATE TABLE Author(AuID Number(3), AuName Char(15), AuAddr Char(30))"); System.out.println("Table … | |
Re: [QUOTE=moe0;1756728]Hello I'm writing a little program to check if a postal code is valid or not and I'm using while loop and if statement this is the code: [CODE]final String REGEX = "[A-Z&&[^DFIOQU]][0-9][A-Z&&[^DFIOQU]] [0-9][A-Z&&[^DFIOQU]][0-9]"; output.println ("Please Enter a Valid Postal Code: "); String postal1; String postal2; boolean isCorrect = false; … | |
Re: [QUOTE=jkembo;1756475]I would like to move the mouse cursor from one position to another within a Jtextfield after a condition is satisfied. I do not know what to use. Thank you[/QUOTE] have you checked:[code]int offset; //set int to whatever jtextfieldname.setCaretPosition(offset);//use setCaretPosition() to move the caret to a specific offset in the … | |
Re: [QUOTE=MicroD;1756481]Hello guys. I'm wondering is it possible to stream mp3 songs from some site with java? I tried to find something but allways everything what i found was only for reading mp3 songs from local disk. If you know feel free to answer me. - Regards, David.[/QUOTE] Hmm im not … | |
Re: [QUOTE=dsmith12;1756548]My professor told me these things are wrong:1) For getting the "#" sign in your board, you need to call the createTicTacToeBoard() method to create the board. The returning type of the method is char[][] createTicTacToeBoard() not the string, and you don't need to pass any array into this method … | |
Re: [QUOTE=adil_bashir;1756487]there occured compilation error as: ArrayIndexOutOBoundsException: 3 at passingArray.java:8 at array1.java:8 please help[/QUOTE] because java starts at 0, so if your array length is 3(ie has 3 variables), to get the last index you will use array.length-1. but also see here:[code]int m[] = {2.4,5};//how can 2.4 be an integer? so … | |
Re: [QUOTE=servet;1756072]Hi! I use scanners delimiter. The next() function for scanner should return me the string by these punctuators: | . : space But i don't know what to write inside scanner.useDelimiter("") parameter? For example for this string "abc.123,zqw ttt|AAA", scanner.next() should return abc scanner.next() should return 123 scanner.next() should return … | |
Re: [QUOTE=itsmrshow;1756059]I need help, The array in Class Loto generates 6 random numbers and print them out. the Class Lotto askes the user to input 6 numbers which are stored in an array. i need code to compare the two arrays and see if they equal each other, and if they … | |
Re: please see here:[url]http://www.samlogic.net/articles/autorun-enable-disable-nodrivetypeautorun.htm[/url] . however this only applies if you are using windows 7. This is also some cool stuff on autorun infs:[url]http://msdn.microsoft.com/en-us/library/windows/desktop/cc144200(v=vs.85).aspx[/url] | |
Re: [QUOTE=AMeddaugh;1756128]Okay so my Java teacher isn't very good, and i'm kind of flying solo here. He gave us this project, and one part of the project is throwing up a JOptionPane which allows the user to put input a number which correlates to a specific car. For example How do … | |
Re: Well a break statement needs to be within a loop... so as stultuske said, find the loop that checks if the player has won, and if he has put a break; | |
Re: [QUOTE=adil_bashir;1756074]please tell me how to convert an integer type to a String. if possible, give some code?[/QUOTE] Hey please dont just post questions because you like typing... a quick google(with your thread title and an added "java") would have solved this:[url]http://www.java2s.com/Code/Java/Language-Basics/Convertinttostring.htm[/url] | |
Re: [QUOTE=adil_bashir;1756070]please give some piece of code that will make me understand that how to pass an array to a method/function?[/QUOTE] well lets say we want to parse an int[]:[code]private static method(int[] arr) {//static was used if necessarry }[/code] you'd then call it using:[code] int[] array=new int[5]; method(array);[/code] | |
Re: [QUOTE=adil_bashir;1756053]Since i am new to java, so please tell me that is there any way by which i can convert integer array to primitive int?? if yes, give some code.[/QUOTE] im confused, an integer array should contain an array of integers, and integers are already primitive?... but see here:[url]http://stackoverflow.com/questions/564392/converting-an-array-of-objects-to-an-array-of-their-primitive-types[/url] and … | |
Re: [QUOTE=adil_bashir;1756042]i need to return the ASCII value of the argument passed in the StringtoIntfunc(). But i am not getting the real ASCII values and i think the problem is with the return statements? please help. public class StringIntfc { public int[] StringtoIntfunc(String s) { int j =0; int k[] = … | |
Re: [QUOTE=ringo_tech;1755571]hi everybody, i needed to play mp3 audio in my AudioPlayer project i found jlayer is the easiest way to play mp3 audio,it plays well but can't stop playing my GUI stops responding until the audio is finished! any help please this is the code of the playing button -chooser … | |
Re: [QUOTE=ilovejava;1755404][URL="http://i.imgur.com/iwNHY.jpg"]http://i.imgur.com/iwNHY.jpg[/URL] i already set a path for jdk and etc, it worked before but now it doesnt work the code works on ecclipse so the code is correct but i have to learn how to compile using command prompt check out this image i get this same error i do … | |
Re: [QUOTE=NormR1;1755503]I'm not sure what techniques you can use to parse the String: "1, 2, and 3." and find the numeric digits that are to be replaced with text without looping. switch statements are a way to "jump" to a block of code based on a value. Some think it a … | |
Re: [QUOTE=jakubee;1755483]Hello everyone, This is my first post in here :) Need a help with v. simple exercise. I need to ask user to input 10 objects of type Product (String name, Double price). I manage to done this. What i need to do now is to validate this inputs! I … | |
![]() | Re: unless doing mobile development, I've never seen the *.jad extension used in any java application native to windows, if you already have a class file and wondering how to make it a jar file(double click and it runs) check here:[url]http://docs.oracle.com/javase/tutorial/security/toolsign/step2.html[/url] and this:[url]http://docs.oracle.com/javase/tutorial/deployment/jar/[/url] and maybe here:[url]http://www.javacoffeebreak.com/faq/faq0028.html[/url] |
Re: [QUOTE=Sanna.1;1755108]hello how do you get three strings in to a boolean. Number 1 is greater than the number 2, which in turn is greater than third Number 1 is greater than one of the numbers 2 and 3, but not greater than both Number 1 is greater than at least … | |
Re: [QUOTE=Syrne;1755355]Hello all, I've been fooling around with some code trying to teach myself somewhat about Linked Lists. I wrote this quick program that creates a random number in each node of a list and asks the user to guess the number. I have a quit choice that, when executed alone … | |
Re: [QUOTE=kalcio;1754824]pleaze help me sir,i need to correct this code[/QUOTE] I hope maybe these might help:[url]http://stackoverflow.com/questions/7174420/change-colors-for-jprogressbar-with-nimbus[/url] , [url]http://docs.oracle.com/javase/7/docs/api/javax/swing/plaf/nimbus/package-summary.html[/url] and [url]http://stackoverflow.com/questions/3480125/setting-the-colors-of-a-jprogressbar-text[/url] | |
Re: [QUOTE=mohamed moamen;1755078]of course yes :)[/QUOTE] I think i found the problem: [code] FileOutputStream fos = new FileOutputStream(entry.getName());[/code] this extratcs all the data to your jars current directory??? try this:[code] FileOutputStream fos = new FileOutputStream("c:\\"+entry.getName());[/code] btw your buffer should be static, and your missing ';' after zip name:[code]final int BUFFER....//change to … |
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