c# program
C# variable
int a = 10;
//number variable
Console.WriteLine(a);
Console.WriteLine("the value of a" + a);
Console.WriteLine("the value of a" + " " + a);
int a;
Console.WriteLine("enter any no");
a = int.Parse(Console.ReadLine());
Console.WriteLine(a);
Console.ReadKey();
int a, b, c;
Console.WriteLine("any no");
a= int.Parse(Console.ReadLine());
Console.WriteLine("any 2nd no");
b = int.Parse(Console.ReadLine());
c = a + b;
Console.WriteLine(c);
Console.ReadKey();
int age;
Console.WriteLine("enter your age");
age = int.Parse(Console.ReadLine());
if (age > 18)
{
Console.WriteLine("vote");
}
else
{
Console.WriteLine("not vote");
}
Console.ReadKey();
int per;
Console.WriteLine("enter your percentage");
per = int.Parse(Console.ReadLine());
if (per > 60)
{
Console.WriteLine("first division");
}
else if (per > 50 && per < 60)
{
Console.WriteLine("second division");
}
else if (per > 40 && per < 50)
{
Console.WriteLine("third division");
}
else
{
Console.WriteLine("fail");
}
Console.ReadKey();
int choice;
Console.WriteLine("enter your choice");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1: Console.WriteLine("one");
break;
case 2: Console.WriteLine("two");
break;
case 3: Console.WriteLine("three");
break;
default: Console.WriteLine("invalide choice");
break;
}
Console.ReadKey();
int a, b, c, ch;
Console.WriteLine("enter any first no");
a = int.Parse(Console.ReadLine());
Console.WriteLine("enter any second");
b = int.Parse(Console.ReadLine());
Console.WriteLine("1-addition,2-multiplication,3-substract");
ch = int.Parse(Console.ReadLine());
switch (ch)
{
case 1: c = a + b;
Console.WriteLine(c);
break;
case 2: c = a * b;
Console.WriteLine(c);
break;
case 3: c = a - b;
Console.WriteLine(c);
break;
default: Console.WriteLine("invalid choice");
break;
}
Console.ReadKey();
int i = 1;
while (i <= 10)
{
Console.WriteLine(i);
i = i + 1;
}
Console.ReadKey();
int;
for(int=1; i<=10; i++)
{
Console.WriteLine(i);
}
Console.ReadKey();
int;
for(int=1; i<=10; i++)
{
Console.WriteLine(i);
}
Console.ReadKey();
void show()
{
Console.WriteLine("this is first program");
}
static void Main(string[] args)
{
Program p1 = new Program();
p1.show();
Console.ReadKey();
void show (int a)
{
Console.WriteLine(a);
}
static void Main(string[] args)
{
Program p1 = new Program();
p1.show(10);
Console.ReadKey();
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication8
{
class Program
{
static void Main(string[] args)
{
int i=1, sum = 0;
do
{
Console.WriteLine(i);
sum = sum + i;
i = i + 1;
} while (i <= 10);
Console.ReadKey();
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication10
{
class Program
{
static void Main(string[] args)
{
int i = 1, sum = 0;
do
{
Console.WriteLine(i);
sum = sum + i;
i = i + 1;
} while (i <= 10);
Console.WriteLine(sum);
Console.ReadKey();
}
}
}
OOPS NOTE
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication2
{
class A
{
public void show()
{
Console.WriteLine("this is my first class program");
}
}
class B
{
public void display()
{
Console.WriteLine("this is my display function");
}
}
class Program
{
static void Main(string[] args)
{
//classname objectname=new classname();
A a1 = new A();
a1.show();
B b1 = new B();
b1.display();
Console.ReadKey();
}
}
}
biodata Task
Console.WriteLine("Name Miranju");
Console.WriteLine("Education BSC IT final year");
Console.WriteLine("College Raisoni group of institutions");
Console.WriteLine("City Nagpur");
Console.WriteLine("State Maharashtra");
Console.WriteLine("Hobbies Fond of music");
Console.WriteLine("Mobile no 7559190685");
Console.ReadKey();
class my
{
public void show(int a)
{
Console.WriteLine(a);
}
}
*parameter
class Program
{
static void Main(string[] args)
{
int n;
my m1 = new my();
Console.WriteLine("any no");
n = int.Parse(Console.ReadLine());
m1.show(n);
Console.ReadKey();
*function overloading
class Program
{
void show()
{
Console.WriteLine("this is my function");
}
void show(int a)
{
Console.WriteLine(a);
}
static void Main(string[] args)
{
Program p1 = new Program();
p1.show();
p1.show(10);
Console.ReadKey();
*Math function
class Program
{
static void Main(string[] args)
{
Console.WriteLine(Math.Max(5, 10));
//return the max value
Console.WriteLine(Math.Min(5, 10));
//return the minimum value
Console.WriteLine(Math.Sqrt(64));
//return square root
Console.WriteLine(Math.Abs(-4.7));
//return absolute value
Console.WriteLine(Math.Round(9.99));
Console.ReadKey();
*STRING HANDLING FUNCTION
class Program
{
static void Main(string[] args)
{
Console.WriteLine(Math.Max(5, 10));
//return the max value
Console.WriteLine(Math.Min(5, 10));
//return the minimum value
Console.WriteLine(Math.Sqrt(64));
//return square root
Console.WriteLine(Math.Abs(-4.7));
//return absolute value
Console.WriteLine(Math.Round(9.99));
Console.ReadKey();
*ADDITION OF 2 NO
void addition(int a,int b)
{
int c;
c = a + b;
Console.WriteLine(c);
}
static void Main(string[] args)
{
int a1, b1;
Console.WriteLine("enter any no");
a1 = int.Parse(Console.ReadLine());
Console.WriteLine("enter any no");
b1 = int.Parse(Console.ReadLine());
//create object
Program p1 = new Program();
p1.addition(a1,b1);
Console.ReadKey();
*BULLION EXPRESSION
class Program
{
static void Main(string[] args)
{
Console.WriteLine(10>5);
Console.WriteLine(10 == 20);
Console.WriteLine(10 >= 10);
Console.ReadKey();
*BREAK STATEMENT
static void Main(string[] args)
{
int i = 1;
for (i = 1; i <= 10; i++)
{
if (i == 4)
{
break;
}
Console.WriteLine(i);
}
Console.ReadKey();
*MULTILEVEL INHERITENCE
class A
{
public void show()
{
Console.WriteLine("this is my A class program");
}
}
class B : A
{
public void display()
{
Console.WriteLine("this is my B class program");
}
}
class C : B
{
public void program()
{
Console.WriteLine("this is my C class program");
}
}
class D : C
{
public void view()
{
Console.WriteLine("this is my d class program");
}
}
class Program
{
static void Main(string[] args)
{
D d1 = new D();
d1.view();
d1.program();
d1.display();
d1.show();
Console.ReadKey();
*INHERITANCE WITH PARAMETER
class A
{
public void show(int a)
{
Console.WriteLine(a);
}
}
class B : A
{
public void display(int b)
{
Console.WriteLine(b);
}
}
class Program
{
static void Main(string[] args)
{
B b1 = new B();
b1.show(20);
b1.display(10);
Console.ReadKey();
*ABSTRACT
abstract class My
{
public void show()
{
Console.WriteLine("this is my class program");
}
}
class My2 : My
{
public void display()
{
Console.WriteLine("this is my class security program");
}
}
class Program
{
static void Main(string[] args)
{
My2 m1 = new My2();
m1.show();
m1.display();
Console.ReadKey();
*CONSTRUCTOR PROGRAM
class My
{
public My()
{
Console.WriteLine("constructor program");
}
}
class Program
{
static void Main(string[] args)
{
My m1 = new My();
Console.ReadKey();
*PARAMETERISE CONSTRUCTOR
class My
{
public My(int a)
{
Console.WriteLine(a);
}
}
class Program
{
static void Main(string[] args)
{
My m1 = new My(10);
Console.ReadKey();
*INHERITANCE USING CONSTRUCTOR
class A
{
public A()
{
Console.WriteLine("this is 1st my program");
}
}
class B : A
{
public B()
{
Console.WriteLine("this is my 2nd program");
}
}
class Program
{
static void Main(string[] args)
{
B b1 = new B();
Console.ReadKey();
*ADDITION OF 2 NO USING ABSTRACTION
abstract class p
{
public void show(int a,int b)
{
int c;
c = a + b;
Console.WriteLine(c);
}
}
class p2 : p
{
public void display()
{
Console.WriteLine("this is my abstract addition program");
}
}
class Program
{
static void Main(string[] args)
{
p2 m1 = new p2();
m1.display();
m1.show(10,20);
Console.ReadKey();
*EXCEPTION HANDLING TRY CATCH PROGRAM
class Program
{
static void Main(string[] args)
{
int a = 10, b = 0, c;
try
{
c = a / b;
Console.WriteLine(c);
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
Console.WriteLine("this my program");
}
Console.ReadKey();
*ARRAY PROGRAM
class Program
{
static void Main(string[] args)
{
int[] a = new int[5];
a[0] = 10;
a[1] = 20;
a[2] = 30;
a[3] = 40;
a[4] = 50;
Console.WriteLine(a[0]);
Console.WriteLine(a[1]);
Console.WriteLine(a[2]);
Console.WriteLine(a[3]);
Console.WriteLine(a[4]);
Console.ReadKey();
*FORLOOP ARRAY
class Program
{
static void Main(string[] args)
{
int[] a = new int[5];
int i;
a[0] = 10;
a[1] = 20;
a[2] = 30;
a[3] = 40;
a[4] = 50;
for (i = 0; i < a.Length; i++)
{
Console.WriteLine(a[i]);
}
Console.ReadKey();
ARRAY FOR EACH LOOP
static void Main(string[] args)
{
ArrayList a1 = new ArrayList();
a1.Add(10);
a1.Add(20);
a1.Add(30);
a1.Add(40);
a1.Add(50);
Console.WriteLine("display data");
foreach (int i in a1)
{
Console.WriteLine(i);
}
Console.ReadKey();
ARRAY FOREACH SORT PROGRAM
using System.Collections;
namespace ConsoleApplication22
{
class Program
{
static void Main(string[] args)
{
ArrayList a1 = new ArrayList();
a1.Add(20);
a1.Add(40);
a1.Add(30);
a1.Add(60);
a1.Add(50);
Console.WriteLine("display data");
foreach (int i in a1)
{
Console.WriteLine(i);
}
Console.WriteLine("sorted data");
a1.Sort();
foreach (int i in a1)
{
Console.WriteLine(i);
}
Console.WriteLine(a1.Count);
Console.ReadKey();
}
}
}
*STACK DATA USING PUSH
using System.Collections;
namespace ConsoleApplication23
{
class Program
{
static void Main(string[] args)
{
Stack a1 = new Stack();
a1.Push('a');
a1.Push('b');
a1.Push('c');
a1.Push('d');
a1.Push('e');
Console.WriteLine("stack data");
foreach (char c in a1)
{
Console.WriteLine(c);
}
Console.ReadKey();
*STACK DATA USING POP
namespace ConsoleApplication23
{
class Program
{
static void Main(string[] args)
{
Stack a1 = new Stack();
a1.Push('a');
a1.Push('b');
a1.Push('c');
a1.Push('d');
a1.Push('e');
Console.WriteLine("stack data");
foreach (char c in a1)
{
Console.WriteLine(c);
}
Console.WriteLine("delete record");
a1.Pop();
foreach (char c in a1)
{
Console.WriteLine(c);
}
Console.ReadKey();
*ENUM PROGRAM
enum m1
{
Nagpur,
Mumbai,
Pune
}
class Program
{
static void Main(string[] args)
{
m1 m = m1.Nagpur;
Console.WriteLine(m);
Console.ReadKey();
Comments
Post a Comment