35,618 Topics
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 | G'day everyone, I just have a few questions about Java programming language. Before getting started with the question, I was actually doing some reading for my java course and there was an implementation of Coffee vending machine in java. Therefore, the questions came to my mind and these are: Do …  |
| | I need assistance in printing out a Quine. I googled it and stuff, but I didn't understand the code snippets I saw. Can anyone explain in a more lucid tone? |
| | HI everyone,i am a biginer in java and i need your help...i have write a prgram but i cant execute can anyone help me for execute it the program is : package sensor; [CODE]public class sensor { private String Id; private int Kordx; private int Kordy; private char[] getId; public … |
| | HI everyone!I am a beginner in java and i need your help,please if u can help me i have write this code : [CODE]package person; public class person { private String Name; private String Birthday; public person (String name,String birthday) { super (); Name=name; Birthday=birthday; } public String getName() { … |
| | Hello! I have write a program on Java. This Java program creates a file which have C code for Windows. I need to compile everytime this C code by copying it to another IDE. Can i do this compile process from java program? (C code is very simple and it … |
| | Hello there. Could you give some insightful input into my problem: My program is fed multiple lines of input. The input is composed of a name and two values of that person. Each line is of a new 'person' e.g. "James 23 15.05 Lucy 51 25.523 Kam 42.4 21.54 Jak …  |
| | I'm trying to learn java. Now I want to test the buttons, but I don't understand the part of the layout. Can't I just write button1.setLocation(50,50); or someting like that ??? Thanks in advance. |
| | Hi there, I am not good with Java. Can someone explain this for loop for me please. For a for loop, to my understanding the syntax goes something like, [CODE]for(int i = 0; i < someNumber; i++) { //...some code... }[/CODE] but in this one I have seen, the for … |
| | HI! Can someone help me regarding my USB and a Java program. So I have created a Jar file where there is a login form. I have my USB that is partitioned in two. What I want to happen is before I open one of the partitions, my Login form … |
| | Hi all, Wonder if someone could please lend a hand, I have a courses.txt file which is read into a Course String array I also have a program.txt (A list of 8 courses required to pass the program) There's a menu option to change the Program, however a condition of … |
| | Hi I'm new to GWT and I am learning using the GWT plugin for eclispe and also have smartGWT. I have found afew tutorials online which have been very helpful but havent found one that explains how I can connect, send, recieve and display database information in the different widgets. … |
| | Good Day! My professor in object oriented programming wants us to collect a JFrame form to a class.... he told us the code but it did not work...Hope you may help me...and thanks in advance [code]import javax.swing.JOptionPane; public class Firm { //---------------------------------------------------------- // Creates a staff of employees for a … |
 | Is there any method in java to know size of decimal?? I mean 14 has 2 digits , 100 has 3 etc....... I m going to implement auto generated number like A0001 , now i want to change it on each new entry , so Does any one has any … |
| | Hi All, I am trying to load from a .dat file a collection of student objects However on load it only loads the first student and then stops I've tried to put print messages in but with all the nulls I really can't seem to work out what is happening. … |
| | Having some issues figuring out how to code my add, modify, search, delete, and save buttons in my program. The buttons need to also adjust the size of the array once I add or delete the an item. Any help would be great. I may be going about this the … |
| | Hi everyone!i am beginner in java,i have write a program but i can compile it successfully can any one help me please...te code is [CODE]package sensor; public class sensor { private String Id; private int Kordx; private int Kordy; private char[] getId; public static void main(String[] args) { sensor ob=new … |
| | In my program i want to execute same statement on case 3 and 5 in switch() i searched lot on google about this but get nothing please help me [CODE] case 3,5: [/CODE] I know it is wrong but if you have any idea about this than please help me. |
| | guys what is the difference between JButton and JToggleButton? |
| | I have the following XPath expression written in Java: [CODE] " pProbs = XPath.newInstance(/n-grams-sorted/n-gram[contains(.,"+content1+") or contains(.,"+content2+") or contains(.,"+content3+") or contains(.,"+content4+") or contains(.,"+content5+")]/@probability"); [/CODE] My problem is that not all of the contains() expressions return true. What I need is: If one of them returns 'false' (i.e.: there are no nodes … |
| | I'm writing a java program that adds event handlers dynamically on the go on instructions by the user. My problem is, that how do I basically add them? |
| | I just wanted to know what would happen if you abuse the CharStack class by pop()ing more characters than you push()? Would it be an error of out of exception or something else. |
| | Hi All, I've a little problem with writing and saving to a file I'm close but I can't seem to grasp what i'm doing wrong here. Trying to save student object(s) to allstudents.txt This is my loadStudent method; [CODE]public student[] loadStudent() throws IOException, ClassNotFoundException //loads the accounts and returns them … |
| | Hi, I am supposed to develop a Voicemail System for my data stuctures class, so to record and playback messages, I was told that I would need to use the Java Sound API. However, after reading the little tutorial on Java, I am still a bit lost as to how …  |
| | Hi all, I'm doing a elevator simulation project but i met some issues. First, I wish to align my buttons on the left to the horizontal lines. I tried to setting setMinimumSize, setMaximumSize, setPreferredSize but it didn't help. Second, if I re-size the window, the buttons on the left seems … |
| | Hello i am needing advice about a project that i have got. Its about traffic light using wireless sensor simulation. I want to know about the different softwares that can be used to work on such application, i mean the simulation part. I tried google but apparently i dont really … |
 | Hi! I am new in hibernate annotations so i am practising it on the console. In here i am using hibernate3.jar(came with Hibernate 3.5.1), hibernate-annotations-3.4.0.GA.jar etc. However when i run the main the application didn't start and following errors were generated. Any idea,please help.. !?? 0 [main] INFO org.hibernate.cfg.annotations.Version - … |
| | hi, am try to create a simple jar file... i got some error to run that jar file error =" Failed to load Main-Class manifest attribute from bala.jar" my code: [CODE]import javax.swing.JOptionPane; public class hello{ public static void main(String args[]){ String s= JOptionPane.showInputDialog("enter name plz...."); JOptionPane.showMessageDialog(null,"hello "+s); } }[/CODE] here … |
 | Hey there, I have taken earlier this tutorial on adobe's site for building an application for mobile devices. The tutorial provides a war file. After deploying the war file on my tomcat server, a few directories are built. Most importantly, WEB-INF folder. This folder contains some java files on one … |
| | Hi ! I've been trying to use hibernate with spring framework for a week by using hibernate annotations. I am using hibernate-distribution 3.6.5 final and Spring framework 3.0.5 in the application. Error log and code is here :[URL="http://www.daniweb.com/software-development/java/threads/378043"]http://www.daniweb.com/software-development/java/threads/378043[/URL] I wait for some suggestions. Please hlp ! |
| | Hi all, I'm about to start on my Java course next semester. Since I've only coded in C/C++ til now, I'm a bit stumped. I'll give you an assignment from last year, maybe some of you guys can show me how this program would look like in Java. Here goes: … |
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