[classes] Forum Topics

I was just a bit confused about something sorry. If you have two classes, Ribbon1 and ThisAddIN below. How can I call Example()? - All are in the same namespace.. [CODE] public partial class Ribbon1 { private void button1_Click_1(object sender, RibbonControlEventArgs e) { //Call Example() from ThisAddIn Class Example(); } …

This is a request for some 'best practices' comments from experienced OOP practitioners. I have been in IT from the days of punched cards and have had considerable experience with legacy languages like 370 ASM, SAS, and REXX. For fun, I've taken a college class in C++ and am now …

Hi, I have a project to do for a C++ class that asks us to use a class termed "queue" to store some values (20/100/user defined) and allow the user to add/remove values. I'm sure it seems really basic, but I just can't get my code to display the class. …

Hi, i have this assignment to do and i dont really know what i have to do could someone tell me what i have to do in simpler language thanks Here is the assignment: Create a program which: Implements a class called Queue: The class should contain an array of …

Hi, I've been working on this for two days. I need to pass an arraylist to another class. It gets the information, and will print out the menu, until the program goes back to the initial class, then the list empties. I don't get it, and I'm so confused. [CODE]public …

I have created a JFrame contaning a JTabbedPane. What I am trying to accomplish is the changing of tabs within my 'addCustomer()' class via an ActionListener. What I was trying was to call the method 'setTab(int c)' located in my 'BoatLog()' class, from my 'addCustomer()' class to set the index …

Hi there, This is just going to be a quick question. Also just note that I am i some "remote location" so I cant even show you my code. But what I want to know is this: Say you have a package called "myPackage" and inside that you have 2 …

Hey guys! This is my very first post on this website. Anyways, I just started learning Python, and am reading an ebook, called "A Byte Of Python". So at the end, it says to create an address book application. In my application, it basically just creates a text file with …

Hi guys. I am hoping for a little help with this. I am pretty new to programming and just can't seem to get things right yet. Here is my code. It returns like 40 errors. Way messed up eh? [CODE]#include <iostream> #include <string> using namespace std; class Date { public: …

This code is giving minimal change from real Python class to JavaMonster with every method having setter and getter not following the PEP8 naming but capitalizedWordsFormat. When instrunctor turns his head or if you put the code in your library, you can simply remove the setter/getter lines.

Hey guys I have a study guide that I need some assistance with if possible. it is basically definitions. Classes={} Assume these statements are working with classes and objects: Attribute?property Instance Encapsulation Also I need to tell what this code does. I am not good with classes at all please …

Hi there. I am currently trying to get my head around using classes across two files. I currently have a super class and a sub class stored in a file and the main function in another. When I try and pass arguments to the class they work fine if the …

The point of the program I am making is to have a pure abstract base class called BasicShape and have 2 child classes, Circle and Rectangle. I have the program written but with one unresolved error. [B]Main.cpp file[/B] [CODE]#include "Pure.h" #include <iostream> using namespace std; int main() { Circle pizza(2,2,10); …

[B]Specifications (minimum):[/B] The CDROM class contains the following, private, data members: string Name; // The Name of the CDROM string CDType; // The Type of CDROM float Cost; // The Cost of the CDROM [I]The ONLY recognized (i.e., legal) CDROM types are, “Game”, “Word”, “Compiler”, “Spreadsheet”, “Dbase”, and “Presentation” (AND, …

//This is the error that i have Exception in thread "main" java.lang.NullPointerException //at CardTest.main(CardTest.java:16) /** * @(#)CardTest.java * * * @Robert Coughlin * @version 1.00 2010/10/15 */ //this is the main public class CardTest { public static void main(String [] args) { Card [] randomCard=new Card[20]; for(int i= 0; i<20; …

I am trying to start this java program using the requirements below, but I have no idea where to start. Just so you guys know, I am just starting out in this language. i have experience in Javascript programming, but this is completely different. I am used to Java programs …

Basically, its all to do with the inventory system, all the other reams of code work fine, thank God! with the inventory, the idea is that each character can hold 5 items, so an array, but the array needs to hold the itemID and the itemName therefore an array wont …

This is a friend operator overload function that used addition. It adds two mix fraction by reducing them to simplest form the adding and converting them back to a mixed number [CODE]Mixed operator+(const Mixed& f1, const Mixed& f2) { int newnum, newnum2, gcd, tmpNumerator2, tmpNumerator, tmpInteger, tmpInteger2; Mixed r; tmpNumerator …

I'm having trouble figuring out a few different methods that I'm putting into a constructor. Any chance for advice? I'm having trouble with the last 3 near the bottom. I want to compare two name variable to each other to see if they are the same regardless of case, then …

Hi I want to build some objects that have a little difference between them. But i wonder how would i do it - 1. build a class with some variables and build objects out of him, or - 2.build class for each object, with the functions dedicated to this 'only …

Is it possible to pass arrays into a function and/or return an array from a function? I think it's possible but I don't really know how to go about it. lets say I have a function that returns a bunch of field from a database ex: [CODE]function a($sql){ $result = …

Hi all, I've finally gotten a handle on object-oriented programming (it took ages), and I really like it. But I'm still struggling with conceptualizing some things. For example, if I want to make a form using objects, do I make a Form class with a method like startFORM($name_of_action_page, $method), then …

This is my first post here on Daniweb and I intend to do things right. I actually did read the "READ THIS FIRST" thread and instead of posting 500 lines of code I whipped up a test program I aptly titled test.cpp First I will walk you through my problem. …

Just started learning java and i'm having a little trouble with my compiling im supposed to give a screen shots of my outputs if it works but vista is blocking it (asks for permission and then just hangs) ive included the questions just in case its being bleh but it …

I got stuck at this error: [B]cannot find symbol symbol: variable BankAddress location: class Bank bankAddress = BankAddress;[/B] [COLOR="Red"]<------pointing at BankAddress;[/COLOR] I'm trying to instantiate an object of Address, calling the constructor of the Address class to create an object of Address. I'll post both classes, Bank and Address [B]Address …

Here's the prompt guys: Assignment #4 will be the construction of 2 new classes and a driver program (the class containing a main method). [B]Address class[/B] The Address class describes cpu of a bank. It has following attributes: Attribute name Attribute type Description city String the city of the bank …

I'm writing two classes for the main program code. I'm stuck trying to do figure out how to instantiate an object of the class Address: [B]Address class:[/B] [CODE]public class Address { private String city; private String state; public Address() { city = "?"; state = "?"; } public Address(String aCity, …

I have tried to create a simple class where the program passes a name and telephone number to my class type and then prints it to the screen. It tells me I have undeclared identifiers, but I am constructing my program just like an example we did in class. Can …

I was wondering how one would go about creating a structure that cannot be used by itself, i.e. only through a wrapper class. My question is what would be the syntax for this construct? I'm currently on a personal project to make simple tests from old tests, all the questions …

I need to code a program for my friend and it has been giving me some difficulties. This needs to have two classes, one called Tester and another called Game. And the data in the Game class needs to be pulled to the tester class after the calculations are finished. …