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September 18, 2008

Visual c# 2008 Hello User 1.2 Console App...

I decided to split up the code into two files to illustrate how to call a separate class. It is overkill for such a simple application, but it is an example!

[ Program.cs ]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace HelloUser
{
   class Program
   {
      public static void GetUserInput()
      {
         string strInput;

         Console.Write("Enter your first name: ");
         strInput = Console.ReadLine();
         Console.WriteLine("Hello " + strInput);
         Console.ReadLine();
      }
      public static void SetGreeting()
      {
         string strTitle = "Hello User 1.2";
         Console.Title = strTitle;
      }
   }
}

[ AppTest.cs ]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace HelloUser
{
   class AppTest
   {
      static void Main(string[] args)
      {
         Program.GetUserInput();
         Program.SetGreeting();
      }
   }
}

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Filed under  //   .NET   .NET 2008   c# 2008   console application   hello user   visual c# 2008  
Posted by Samson Loo 

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September 15, 2008

Hello User Java Edition Console App...

import java.util.*;
public class HelloUser
{
   public static void main(String[] args)
   {
      GetUserInput();
   }
   private static void GetUserInput()
   {
      String strInput;
      Scanner in = new Scanner(System.in);
      System.out.println("Enter your first name: ");
      strInput = in.nextLine();
      in.close();
      System.out.println("Hello " + strInput);
   }
}

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Filed under  //   hello user   JAVA  
Posted by Samson Loo 

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September 15, 2008

Visual c# 2008 Hello User 1.1 Console App...

This is a much better approach of writing Hello User. It does require a few more lines of code, but it is better for modularity purposes. It is not a good practice to write everything in the Main method as I did in the previous examples.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace HelloUser
{
   class Program
   {
      static void Main(string[] args)
      {
         SetConsoleTitle();
         GetUserInput();
      }
      static void GetUserInput()
      {
         string strInput;
         Console.Write("Enter your first name: ");
         strInput = Console.ReadLine();
         Console.WriteLine("Hello " + strInput);
         Console.ReadLine();
      }
      static void SetConsoleTitle()
      {
         string strTitle = "Hello User 1.1";
         Console.Title = strTitle;
      }
   }
}

Prompt for input

Write to screen

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Filed under  //   .NET   .NET 2008   c# 2008   console application   hello user   visual c# 2008  
Posted by Samson Loo 

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September 14, 2008

Visual c# 2008 Hello User Console App...

The HelloWorld app showed you how to make a simple app that uses static data. Here is an app that prompts for user input. Same concept just a few more lines!

// Directive
using System;
using System.Collections.Generic;
using System.Linq; // Remove if being used in Visual C# 2005
using System.Text;

namespace HelloUser
{
   class Program
   {
      // Main Method
      static void Main(string[] args)
      {
         // Data Members
         string strTitle = "Hello User 1.0"; // Set string value
         string strInput; // Declare variable
         Console.Title = strTitle; // Set console title
         Console.Write("Enter your first name: "); // Prompt for input
         strInput = Console.ReadLine(); // Read user input
         Console.WriteLine("Hello " + strInput); // Write line of text
         Console.ReadLine(); // Read line of text
      }
   }
}

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Filed under  //   .NET   .NET 2008   c# 2008   console application   hello user   visual c# 2008  
Posted by Samson Loo 

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September 14, 2008

Visual c# 2008 Hello World Console App...

I figured I would post a simple Hello World Console Application built with Visual C# 2008. So here we go.

// Directive
using System;
using System.Collections.Generic;
using System.Linq; // Remove if being used in Visual C# 2005
using System.Text;

namespace HelloWorld
{
   class Program
   {
      // Main Method
      static void Main(string[] args)
      {
         // Data Members
         string strOutput = "Hello World"; // Set string value
         Console.Title = strOutput; // Set console title
         Console.WriteLine(strOutput); // Write line of text
         Console.ReadLine(); // Read line of text
      }
   }
}

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Filed under  //   .NET   .NET 2008   c# 2008   console application   hello user   visual c# 2008  
Posted by Samson Loo 

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