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proplem with update 12 Years Ago by wael meto Bonjour a tous, i have a very strang proplem it made me mad , i have antyped dataset and simlpy … proplem in palindrome using stack 11 Years Ago by mjbor1 …;endl; system("pause"); return 0; } i think my proplem in char variable ..... Help: Jar File Proplem's 12 Years Ago by javaa Hello Every one ... My proplem started before a month and can't get any answer …'s I converted it from .java to .jar but the proplem is ,, when I convert the program to .Jar every thing… creating a Library then Clean and Build .. i know the proplem is here while doing the Clean and Build thing .. sry… Re: Help: Jar File Proplem's 12 Years Ago by DavidKroukamp [QUOTE=javaa;1759132]Hello Every one ... My proplem started before a month and can't get any answer …'s I converted it from .java to .jar but the proplem is ,, when I convert the program to .Jar every thing… creating a Library then Clean and Build .. i know the proplem is here while doing the Clean and Build thing .. sry… dream weaver beahviours restore image proplem 11 Years Ago by magdi_alafifi … the same photo with 100% opacity so what's the proplem ? the proplem is in the "restore image on mouse out… debugging proplem 15 Years Ago by gamshid hello guys i have small proplem i use macromedia dream weaver cs3 in developing application but … Re: debugging proplem 15 Years Ago by gamshid sorry for late replay but having little connection proplem. for RichAppsConsult this link is great it will help me alot for nikesh.yadav i used to do this but i think its areally hard way :) thx all for your efforts. for langsor i use IE and i cant find "error console" in it Re: proplem with update 12 Years Ago by wael meto any help Re: proplem with update 12 Years Ago by wael meto !! Re: proplem in palindrome using stack 11 Years Ago by Lucaci Andrew Perhaps this function will suite you better in checking if a string is a palindrome. bool pal(string str){ Stack<char> s, s2; //we'll use 2 stacks for (size_t i=0;i<str.size();i++) s.push(str[i]); //put all the characters into the stack for (int i=0;i<(int)str.size()/2;i++) s2.push(s.pop()); //pop as … proplem with virtual functions and vectors 15 Years Ago by TeCNoYoTTa hello all i don't know what is the problem with this code when i choose a p for prof ........all the objects be prof objects and when i choose s for student all objects be student objects [CODE]#include <iostream> #include <fstream> #include <string> #include <vector> using namespace std; class person { … Re: proplem with virtual functions and vectors 15 Years Ago by Ancient Dragon 1) GetData() must be declare [b]virtual[/b] in each class for that to work. 2) [icode](arr.front())->GetData();[/icode]. Don't call the GetData() method like that because the front() item in the array will most likely not be the item that was most recently added. push_back() puts the item at the tail of the array, not at the front. An … Re: proplem with virtual functions and vectors 15 Years Ago by TeCNoYoTTa [B]thanks alot Ancient Dragon but i dont understand why i must change getdata into virtual function in all classes what i done is to change arr.front() to arr.back() and the program worked will thanks alot for your help [/B] Proplem in array 14 Years Ago by beshoyatef Hi to all, ------------- Here there is array of ten position and array contain ten integers . I want to put the array of ten integers randomly on the array of ten position ... Here is my code : ---------------------- [CODE]import java.util.Random; public class TestArray { public static void main(String[] arg) { int[] … Re: Proplem in array 14 Years Ago by chaines51 Your first loop is behaving as expected. There are multiple problems with the second loop. [code] for (int i = 0; i < array.length; ++i) { array[i] = random.nextInt(arr[i]); System.out.println(array[i] + " "); } [/code] starting with the first line [icode]array[i] = random.nextInt(arr[i]);[/icode] I'm not sure what you're … Re: Proplem in array 14 Years Ago by VernonDozier nextInt (int) requires a positive parameter. You are passing it arr[0], which is 0, which is an error. From the documentation: [url]http://java.sun.com/javase/6/docs/api/index.html?java/util/Random.html[/url] [code] public int nextInt(int n) { [COLOR="Red"] if (n <= 0) throw new IllegalArgumentException("n must be … Re: Proplem in array 14 Years Ago by beshoyatef Thanks a lot for all helps . These information is good . Proplem in code .. help please 12 Years Ago by Nirmeen Ased Hi every body .. i got these problems with my code when ever i choose "no" as an answer .. it requires me to create an a count while i don't want to create one .. another problem occurs when i use the Acounte_Number to be the ID for the user .. which is a private variable in another class .. like this .. [code] class Acount { … Re: Proplem in code .. help please 12 Years Ago by JamesCherrill if(s!="no") You can't compare the contents of two Strings with == or != That tests for them being exactly the same Object. To test for two Strings having the same sequence of characters in them use s.equals("no") or s.equalsIgnoreCase("no").. which may be better for testing user-typed input. Re: Proplem in code .. help please 12 Years Ago by Nirmeen Ased oh .. thank you .. Re: Proplem in code .. help please 12 Years Ago by Nirmeen Ased no replay for the other problems .. !! Re: Proplem in code .. help please 12 Years Ago by NormR1 [QUOTE]when ever i used it an exception occur[/QUOTE] Please copy and paste here the FULL text of any error messages. Re: Proplem in code .. help please 12 Years Ago by Nirmeen Ased OK .. --------------------Configuration: JavaProject - JDK version 1.6.0 <Default> - <Default>-------------------- Exception in thread "main" java.lang.NullPointerException at client.creatAccounts(person.java:112) at TEST.main(person.java:393) [CODE] public void creatAccounts(String name,String Gender, int … Re: Proplem in code .. help please 12 Years Ago by NormR1 Is the AC variable null? That would cause the NullPointerException. Add a println to show its value if you don't know for sure. Re: Proplem in code .. help please 12 Years Ago by Nirmeen Ased mm AC represent an object of Acount class where dose the Acount_Number is defined as private .. i don't get it .. how it could be NULL Re: Proplem in code .. help please 12 Years Ago by NormR1 Add a println to show its value if you don't know for sure. Re: Proplem in code .. help please 12 Years Ago by Nirmeen Ased the problems is that the code won't execute while i used AC.Acount_Number(0); Don't know ..! Re: Proplem in code .. help please 12 Years Ago by NormR1 What was the value printed for AC when you print it just before line 112? Re: Proplem in code .. help please 12 Years Ago by Nirmeen Ased mmm .. if i exclude AC.setAcount_number from me code another problem occurs with AC.getAcount_number() am gona insert the hole code here .. [CODE]import javax.swing.*; import java.util.*; interface Bank { public abstract void print(); } … Re: Proplem in code .. help please 12 Years Ago by NormR1 [QUOTE]another problem occurs with AC.getAcount_number()[/QUOTE] You MUST post the full text of the error messages you get. What was the value printed for AC when you print it just before line 112? This is the fourth time (and the last) I asked this question. If you refuse to follow my requests for info about how your program is executing, I'll …