AWP-1

 PRACTICAL NO.1

a) Aim : Enter 4 number and find the product of the same.

⮚ Code:

using System;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

int num1, num2, num3, num4, prod;

Console.Write("Enter number 1:");

num1 = Int32.Parse(Console.ReadLine());

Console.Write("Enter number 2:");

num2 = Convert.ToInt32(Console.ReadLine());

Console.Write("Enter number 3:");

num3 = Convert.ToInt32(Console.ReadLine());

Console.Write("Enter number 4:");

num4 = Convert.ToInt32(Console.ReadLine());

prod = num1 * num2 * num3 * num4;

Console.WriteLine(num1 + "*" + num2 + "*" + num3 + "*" + num4 + "=" + prod);

Console.ReadKey();

}}}

⮚ Output:


b) Aim: Create an application to demonstrate String operation

⮚ Code:

using System;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

//Concatenation

Console.Write("Enter string 1:");

string words = Console.ReadLine();

Console.Write("Enter string 2:");

string words2 = Console.ReadLine();

string words3 = words+" "+words2;

Console.Write(words3);

//Length of given string

Console.Write(" Enter name:");

string name = Console.ReadLine();

int length = +name.Length;

Console.WriteLine("Length: " + length);

//Comparison

string str1 = "hello";

string str2 = "hello";

string str3 = "no hello";

// compare str1 and str2

Boolean result1 = str1.Equals(str2);

Console.WriteLine("str1 and str2 are equal: " + result1);

//compare str1 and str3

Boolean result2 = str1.Equals(str3);

Console.WriteLine("str1 and str3 are equal: " + result2); 

object[] array = {"Neha", "Jyoti" };

// Using Join method

// Here separator is ', '( comma )

string s1 = string.Join(", ", array);

Console.WriteLine("Value of string s1 is : " + s1);

Console.ReadKey();

}}}

⮚ Output:


c) Create an application to demonstrate the following operations:

⮚ Aim: Write program using conditional statements & loops:

i. Aim: Generate Fibonacci series.

⮚ Code:

using System;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

int num1=0, num2=1, num3, num, counter;

Console.Write("Enter the Number:");

num = int.Parse(Console.ReadLine());

counter = 2;

Console.Write(num1+"\n"+num2);

while(counter<=num)

{

num3 = num1 + num2;

if (counter >= num)

break;

Console.Write("\n" + num3);

num1 = num2;

num2 = num3;

counter++;

}

Console.ReadKey();

}}}

⮚ Output:


ii. Aim: Check whether the given number is “Prime” or not.

⮚ Code:

int num, counter;

Console.Write("Enter number:");

num = int.Parse(Console.ReadLine());

for (counter =1; counter <= num / 2; counter++)

{

if ((num % counter) == 0)

break;

}

if (num == 1)

Console.WriteLine(num + " is neither prime nor composite");

else if (num / 2 == 0)

Console.WriteLine(num + " is not prime number");

else

Console.WriteLine(num + " is prime number");

Console.ReadKey();}}}


⮚ Output:


iii. Aim: Check Whether the given character is Vowel or Not.

⮚ Code:

using System;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

char ch;

Console.Write("Enter a character:");

ch = (char)Console.Read();

switch(ch) {

case 'a':

case 'A':

case 'e':

case 'E':

case 'i':

case 'I':

case 'o':

case 'O':

case 'u':

case 'U':

Console.WriteLine(ch +" is vowel");

break;

default:

Console.Write(ch +" is not a vowel");

break;}

Console.ReadKey(); }}}

⮚

Output:


 iv. Aim: USe of foreach loop with arrays. 

⮚ Code:

using System;

class Program {

public static void Main() {

string[] str ={ "Neha", "Jyoti", "TYIT" };

foreach (Strings in str)

{Console.WriteLine(s);}

Console.ReadKey();}}


⮚ Output:


v. Aim : Reverse given number & Find the sum of it.

⮚ Code:

using System;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

int num, actualnumber, revnum = 0, digit, sumDigits = 0;

Console.Write("Enter a number:");

num = int.Parse(Console.ReadLine());

actualnumber = num;

while (num > 0)

{

digit = num % 10;

revnum = revnum * 10 + digit;

sumDigits = sumDigits + digit;

num = num / 10;

}

Console.WriteLine("Reverse of" + actualnumber + "=" + revnum);

Console.WriteLine("Sum of its digits:" + sumDigits);

Console.ReadKey();

}}}


⮚ Output:

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