Console & window application code help ?

SUNIL GUTTA

You will need to create a console-based application whose Main() method accepts ten integer values from the user and stores them in an array. Next, create a method that determines and displays the smallest and largest of the ten values. Then, pass the array to the method.

Save the file as SmallAndLarge.cs.

Next, create a GUI application whose button's Click() method accepts ten integer values from a TextBox and stores them in an array that is declared above the Click() method. After the ten entries have been made, call a method that sorts and displays the ten values from smallest to largest.

Save the file as SmallAndLargeGUI.cs.

\------------------------------------------------------------------------------\

I am confused to understand this question .. any code help or ideas are appreciated . .

Regards

Sunil G

6 Replies

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Vulpes12y ago
Accepted answer
The console app seems relatively straightforward:

using System;

class Program
{
static void Main()
{
Console.WriteLine("Please enter 10 integers\n");
int[] numbers = new int[10];
for(int i = 0; i < 10; i++)
{
Console.Write(" Number {0, -2} : ", i + 1);
numbers[i] = int.Parse(Console.ReadLine());
}
Console.WriteLine();
PrintMinMax(numbers);
Console.ReadKey();
}

static void PrintMinMax(int[] numbers)
{
Array.Sort(numbers);
Console.WriteLine("Smallest number is : {0}", numbers[0]);
Console.WriteLine("Largest number is : {0}", numbers[numbers.Length - 1]);
}
}

However, for the GUI app, it's not clear how the integers should be presented in the textbox. I've assumed they'll all be on the same line, separated by spaces, and that the sorted results will be displayed in a second textbox:

public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private int[] numbers = new int[10];

private void button1_Click(object sender, EventArgs e)
{
string[] items = textBox1.Text.Split(new char[]{' '}, StringSplitOptions.RemoveEmptyEntries);
if (items.Length != 10)
{
MessageBox.Show("There needs to be 10 integers in the textbox, separated by spaces");
textBox1.Focus();
return;
}
for (int i = 0; i < 10; i++)
{
numbers[i] = int.Parse(items[i]);
}
Sort(numbers);
}

private void Sort(int[] numbers)
{
Array.Sort(numbers);
string text = "";
for (int i = 0; i < 10; i++) text += numbers[i] + " ";
textBox2.Text = text.TrimEnd();
}
}

Of course, with these sorts of questions you never know to what extent you're supposed to check for valid input which is half the battle in 'real life' apps. I've done very little checking in the above.

0
Vulpes12y ago
Sure, I've put all the code into one file, sortnumbers.cs, for convenience:

// sortnumbers.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private int[] numbers = new int[10];

private void button1_Click(object sender, EventArgs e)
{
string[] items = textBox1.Text.Split(new char[]{' '}, StringSplitOptions.RemoveEmptyEntries);
if (items.Length != 10)
{
MessageBox.Show("There needs to be 10 integers in the textbox, separated by spaces");
textBox1.Focus();
return;
}
for (int i = 0; i < 10; i++)
{
numbers[i] = int.Parse(items[i]);
}
Sort(numbers);
}

private void Sort(int[] numbers)
{
Array.Sort(numbers);
string text = "";
for (int i = 0; i < 10; i++) text += numbers[i] + " ";
textBox2.Text = text.TrimEnd();
}
}

partial class Form1
{
///
/// Required designer variable.
///
private System.ComponentModel.IContainer components = null;

///
/// Clean up any resources being used.
///
/// true if managed resources should be disposed; otherwise, false.
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}

#region Windows Form Designer generated code

///
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(47, 21);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(166, 20);
this.textBox1.TabIndex = 0;
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(47, 57);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(166, 20);
this.textBox2.TabIndex = 1;
//
// button1
//
this.button1.Location = new System.Drawing.Point(86, 122);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 2;
this.button1.Text = "button1";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(284, 262);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();

}

#endregion

private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button1;
}

static class Program
{
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}

So at the command line, if you type this, it will create somenumbers.exe:

csc /t:winexe sortnumbers.cs

You can then run it from the command line by typing : somenumbers.exe at the prompt.

0
SUNIL GUTTA12y ago
Hi

you done something to convert the windows forms code from command line long back ..

Actually i need the above code of windows form to make it into executable thing who don't have vs 2010 ..

Cheers mate
0
SUNIL GUTTA12y ago
He he he :)

Actually there is some foolish reason i am using int16 Lol .

I am thinking like when we use for storing small variables like a=2 .. why to waste so much memory like that . That's y i sometimes i use int16 over int32 ..

Although GC will take care of memory lol i am taking care of memory before GC is taking he he :)

Thank you for help friend :)
Cheers
0
Vulpes12y ago
GMTA, eh :)

The only thing I'd quarrel with in your versions is the use of Convert.ToInt16 rather than Convert.ToInt32 (or int.Parse).

In C# (and also Java), ints are always 32-bit signed integers. This means that, whilst Convert.ToInt16 works for integers up to approx 32K, it returns a short and the CLR then has to convert it to an int which consumes some extra cycles.

This differs from the position under C/C++ where the size of an int depends on the platform and can be either 16 or 32 bits in length.
0
SUNIL GUTTA12y ago
Actually i tried like this // Lol it nearly similar to your answer right .. any suggestions are very much appreciated . Please be rude if required i dont care i just want to grow up like you just in case i am making blunders in coding .

1)
class SmallAndLarge
{
public void MinAndMax(int [] arr)
{
Array.Sort(arr);

Console.WriteLine("Maximum values is :" + arr[arr.Length-1]);
Console.WriteLine("Minimum Values is :" + arr[0]);
}

static void Main()
{
Console.Write("How many number-values you want to enter ? ");
int n = Convert.ToInt16(Console.ReadLine());
int[] arr = new int[n];
for (int i = 0; i < n; i++)
{
Console.Write("value {0} :", i+1);
arr[i] = Convert.ToInt16(Console.ReadLine());
}

SmallAndLarge obj = new SmallAndLarge();
obj.MinAndMax(arr);
Console.ReadKey();
}
}

2) public partial class SmallAndLargeGUI : Form
{
public SmallAndLargeGUI()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{

int[] arr = new int[10];
string str = textBox1.Text;
string [] values= str.Split(' ');
int count = values.Length;
if (count == 10)
{
for (int i = 0; i < count; i++)
{
arr[i] = Convert.ToInt16(values[i]);
}

Array.Sort(arr);
foreach (int output in arr)
{
label1.Text = label1.Text + output.ToString() + " ";
}

}
else
{
MessageBox.Show("You have not entered 10 Numbers,RE-check ");
textBox1.Text = "";
}
}

}
0