Articles Tagged with interface

Hi, as I was told that my code doesn’t scale well at all, I thought perhaps I’d try to get a better understanding of interfaces/abstract classes and classes and the relationship between them. I don’t want at this stage work on a big separate project as I've already got plenty …

Hello Dear DaniWeber's. I've been away for some time, and have recently made the transition from VB to C# (Finally). Using C# has opened my eyes to many things that I had either not fully understood, or had a lazy attitude towards. I find myself visiting the core of OOP …

Hi All, Interfaces cannot be instantiated. Could you please explain why the following is valid: interface MyInterface{} MyInterface[] myInterface = new MyInterface[]{"a", "b"}; Cheers!

I found a bit of code which im unsure about in this poorly documented project im on. To be honest I havent got a clue what is going here. public void TestMethod(ISystemScriptingInterface system, ScriptEventArgs eventArgs) { var databaseScriptingInterface = system.GetInterface("database") as IDatabaseScriptingInterface; if (databaseScriptingInterface == null) { throw system.GetException(LocalisedSystemText.InternalServerError(), "Database …

Why do we use interface references to call methods of an object? For example: class Program : Iabc, Idef { static void Main(string[] args) { Console.WriteLine("Hello interfaces"); Program refProgram = new Program(); Iabc refiabc = refProgram; refiabc.xyz(); Idef refidef = refProgram; refidef.pqr(); Console.ReadLine(); } public void pqr() { Console.WriteLine("In pqr"); …

Hello All, I have searched every forum and google etc but nothing directed me in right path. Requirement: I am using a COM object which can be initialized only once. But, when I try with webapi the first run goes fine and the rest fails as the COM object does …

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace interfejsi interface Figura { String Plostina (); String Perimeter (); } } using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace interfejsi { class Kvadar : Figura { int a,b,c; public String Perimetar(int a, int b, int c) { return (a …

What is the difference between `CoffeeInterface<Beverage> cup1 = new Coffee<Beverage>()` and `Coffee<Beverage> cup2 = new Coffee<Beverage>()` `Coffee` is a class that extends the `CoffeeInterface` Is `cup1` an object or can it be used as one. Are there any differences betweeen `cup1` and `cup2`?

interface Interface1 { public int method1(); public int method2(); } public class Salary implements Interface1 { public static void main(String args[]) { int sa[]=Integer.parseInt(arg[0]); float pf,hra,da,tax,net; public int method1() { System.out.println("salary="+sa); try{ if(sa>250000) { pf=sa*5/100; hra=sa*10/100; da=sa*8/100; tax=sa*10/100; net=sa+tax; System.out.println("Net salary of an employee"+net); } } catch(Exception e) { System.out.println("I/O …

To integrate our data base with other site, I've got a xml coding (given below) but they require a JSP output steps and tips to achive that would be appriciated. TIA. <?php include('db_connect.php');?> <?php $query=mysql_query("select * from tbl_seat")or die(mysql_error()); $xml="<libraray>\n\t\t"; while($data=mysql_fetch_array($query)) { $xml .= "<From>".$data['fromloc']."</From>\n\t\t"; $xml .= "<To>".$data['toloc']."</To>\n\t\t"; $xml .= …

Hello, I got a error 'Does not implement interface member' I search around the net and try a lots of solutions, both did not works for me. How can I fix this problem ? 'Browser.CoreServer' does not implement interface member 'browser.iDataConnection.tcpclient' ... namespace Browser { public interface iDataConnection { TcpClient …

Hello I am trying to create a class that called Lootable and create subclasses such as trunk, locker, etc. that will contain items that can be looted, they will inherit their lootability from the Lootable class. I am thinking of using the ArrayList for this. I have thought of different …

Hello, I have a difficulty with changing interface from ordinary one to generic one. Could you suggest me how I can achieve this goal, please? This is the way how I initialize API, based on user's choice from configuration which implementation of interface should be chosen: /// MyServiceApplication.MyServiceApplication.cs GeneralSystemAPI.Initialize(); This …

I want to know about website interface design. Please advice me.....

Hello Community, I was wondering if it is possible to access and use an api from my website?

I wonder how to interface octave with c++ I already have m-file that can run on octave but I want to run a C++ program that can get/send command from/to octave Anyone can guid me? Is there any link for the tutorial or example code?

following the article title, I'm dealing with octave, it goes right on command line. but I need to build GUI for my program to easier interface with people. then I chose Java to build GUI. my problem is to connect my GUI java to Octave. Anybody has ideas to do …

hello. i got a project to do using oracle pl/sql and i want to add a interface (preferably, web) so there aren't just some plain sql scripts. some text boxes, buttons, etc. so it looks nice :D. any suggestions? thank you.

Enroller.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows.Forms; namespace HRSYSTEMPROJECT { class Enroller : IEnroll { #region IEnroll Members public String Enroll(String a,String b ,String c,String d,String e) { return a; return b; return c; return d; return e; } internal string[] Enroll() { throw new NotImplementedException(); …

How can I attach the OCX of WMP to my dialog based application? I want to use the methods of IWMPControls interface such as play() and pause(). I want to call these method by clicking the button given in the dialog box. Its Urgent...

hello ! recently i complete my project management application in .net , now i want to make a attractive main form , i google alot and searching attractive interfaces of application of same domain. i want to you to guid me or if possible then give some links . you …

Suppose i have a class that implements an interface, the interface is not implementing anything currently. This class and interface are bundled together in the same java program. So i have another program, and through a dependency i want to get that information from that class i spoke of in …

Hello all, been a while since I've asked a question. I'm working on a project just to practice and for fun and I've run into a snag. I'm working on a painting type program and I'm trying to get a generic Buffer class for the images so I can use …

So i have a java program running as a lib on a server. I need to just simply run a method within that library. In order to do so through J2EE, i need to get a call from a JSP -> EJB ->ResourceAdapter->Method. So i have the Reasource Adapter and …

#//Here is my simple class for MyCar# public class MyCar { private int odometer; private int speed; private int gear; public MyCar() //send values to member variables in this default constructor { odometer = 0; speed = 0; gear = 0.0; } public MyCar(int od, int sp, int gr) //constructor …

HELP ME PLEASE. I AM A 1ST YR COLLEGE STUDENT :/ Define an interface Filter as follows: public interface Filter { boolean accept(Object x); } Modify the implementation of the DataSet class to use both a Measurer and a Filter object. Only objects that the filter accepts should be processed. …

[CODE]import java.lang.*; import java.io.*; import java.util.*; interface Batm { final static int minbal=500; abstract void withdrawl(); } class Bal implements Batm { int amt,cbal; Bal(int amt,int cbal) { this.amt=amt; this.cbal=cbal; } void withdrawl() { if(cbal>minbal) { cbal=cbal-amt; System.out.println(amt+" "+"withdrawn"); } else { System.out.println("bal nt sufficient"); } } } class Atm …

Code attached in the attachment is not my own and was supplied by an instructor. I am to create a word morphing game. The computer will provide a starting word and an ending word. I am to enter a new word, that either adds or removes a letter from the …

I'm writing an assignment for my introduction to programming class and we're supposed to implement the following interface: [CODE] public Interface Account{ //Calculates interest (1%) and adds to the account balance public void interest(); //Calculates the balance after a deposit public void payIn(double money); //Calculates the balance after a charge …

Hello! I'm doing my first homework assignment with abstract classes and interfaces. I have a few questions: (1) I know that a class must be saved on the computer as, for example, Class.java. Is this the same for abstract classes? How are interfaces supposed to be saved? Do they need …