This program averages a list of numbers entered by the user

 
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/

// This program averages a list of numbers entered by the user.  
  
using System; 
using System.IO;  
  
public class AvgNums {  
  public static void Main() {  
    string str;  
    int n;  
    double sum = 0.0; 
    double avg, t;  
      
    Console.Write("How many numbers will you enter: ");  
    str = Console.ReadLine(); 
    try { 
      n = Int32.Parse(str); 
    }  
    catch(FormatException exc) { 
      Console.WriteLine(exc.Message); 
      n = 0; 
    } 
    catch(OverflowException exc) { 
      Console.WriteLine(exc.Message); 
      n = 0; 
    } 
    
    Console.WriteLine("Enter " + n + " values."); 
    for(int i=0; i < n ; i++)  {  
      Console.Write(": "); 
      str = Console.ReadLine();  
      try {  
        t = Double.Parse(str);  
      } catch(FormatException exc) {  
        Console.WriteLine(exc.Message);  
        t = 0.0;  
      }  
      catch(OverflowException exc) { 
        Console.WriteLine(exc.Message); 
        t = 0; 
      } 
      sum += t;  
    }  
    avg = sum / n; 
    Console.WriteLine("Average is " + avg); 
  }  
}

Related examples in the same category

1.	Read double and int from console
2.	Read a character from the keyboard
3.	Input from the console using ReadLine()
4.	Read a string from the keyboard, using Console.In directly
5.	Write to Console.Out and Console.Error
6.	Output with parameters
7.	Illustrates how to read a character entered using the keyboard
8.	Illustrates how to read a string entered using the keyboard
9.	Read a line from console
10.	Demonstrates redirecting the Console output to a file
11.	Console command-line arguments
12.	Use format commands
13.	Redirect Console.Out
14.	Demonstrate various format specifiers
15.	While loop and keyboard reading
16.	Demonstrates some of the formatting flags for writing text to the console
17.	Uses the #, 0 and comma characters to format output
18.	A simple command line program that reads from the console using Console.Read() and Console.ReadLine()
19.	C# Basic Data Types
20.	C# Hello Universe
21.	Terminate a control input
22.	Use do while to read console input
23.	Use while(true) to read console input
24.	Convert input from control to upper case
25.	constructs sentences by concatenating user input until the user enters one of the termination characters
26.	input a series of numbers separated by commas, parse them into integers and output the sum
27.	Console Write

This program averages a list of numbers entered by the user : Console Input Output « Development Class « C# / C Sharp

Related examples in the same category