department of computer science · 1 department of computer science c# programming lab (ucs15603)...
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1
Department of Computer Science
C# PROGRAMMING LAB
(UCS15603)
LAB MANUAL
For
B.Sc Degree Programme – 2015 Regulation
Academic Year (2018 – 2019) - Sixth Semester
Prepared By Approved By
S. NITHYA HOD
U. UDAYAKUMAR
2
Index
Sno Program Name
1 WRITE A PROGRAM IN C# TO CHECK WHETHER A NUMBER IS
PALINDROME OR NOT.
2 WRITE A PROGRAM IN C# TO DEMONSTRATE COMMAND LINE
ARGUMENTS PROCESSING
3 WRITE A PROGRAM IN C# TO FIND THE ROOTS OF QUADRATIC
EQUATION.
4 WRITE A PROGRAM IN C# TO DEMONSTRATE BOXING AND
UNBOXING.
5 WRITE A PROGRAM IN C# TO IMPLEMENT STACK OPERATIONS
6 WRITE A PROGRAM TO DEMONSTRATE OPERATOR OVERLOADING.
7 WRITE A PROGRAM IN C# TO FIND THE SECOND LARGEST
ELEMENT IN A SINGLE DIMENSIONAL ARRAY.
8 WRITE A PROGRAM IN C# TO MULTIPLY TO MATRICES USING
RECTANGULAR ARRAYS
9 FIND THE SUM OF ALL THE ELEMENTS PRESENT IN A JAGGED
ARRAY OF 3 INNER ARRAYS
10 WRITE A PROGRAM TO REVERSE A GIVEN STRING USING C#.
11 USING TRY, CATCH AND FINALLY BLOCKS WRITE A PROGRAM IN
C# TO DEMONSTRATE ERROR HANDLING.
12 DESIGN A SIMPLE CALCULATOR USING SWITCH STATEMENT IN C#.
13 DEMONSTRATE USE OF VIRTUAL AND OVERRIDE KEY WORDS IN
C# WITH A SIMPLE PROGRAM
14 IMPLEMENT LINKED LISTS IN C# USING THE EXISTING
COLLECTIONS NAME SPACE.
15 WRITE A PROGRAM TO DEMONSTRATE ABSTRACT CLASS AND
ABSTRACT METHODS IN C#.
16 WRITE A PROGRAM IN C# TO BUILD A CLASS WHICH IMPLEMENTS
AN INTERFACE WHICH ALREADY EXISTS.
17 WRITE A PROGRAM TO ILLUSTRATE THE USE OF DIFFERENT
PROPERTIES IN C#.
18 DEMONSTRATE ARRAYS OF INTERFACE TYPES WITH A C#
PROGRAM.
3
Exno: 1
WRITE A PROGRAM IN C# TO CHECK WHETHER A NUMBER IS PALINDROME
OR NOT.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Palindrome
{
class Program
{
static void Main(string[] args)
{
int num,temp;
int digit;
int reverse = 0;
Console.WriteLine("Enter a number");
num = int.Parse(Console.ReadLine());
temp=num;
while(num!=0)
{
digit = num % 10;
reverse = reverse * 10 + digit;
num=num /= 10;
}
4
Console.WriteLine("The reverse of the number is: {0}",reverse);
if (temp == reverse)
{
Console.WriteLine("This number is a palindrome!");
Console.ReadLine();
}
else
{
Console.WriteLine("This number is not a palindrome");
Console.ReadLine();
}
}
}
}
Output
5
Exno: 2
WRITE A PROGRAM IN C# TO DEMONSTRATE COMMAND LINE ARGUMENTS
PROCESSING
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Commandline1
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("\nNumber of CommadLine Arguments :" + args.Length);
Console.Write("\nCommandline Arguments Are :\t");
for (int i = 0; i < args.Length; i++)
{
Console.Write(args[i] + "\t");
}
Console.ReadLine();
}
}
}
Output
6
7
Exno: 3
WRITE A PROGRAM IN C# TO FIND THE ROOTS OF QUADRATIC EQUATION.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Quadratic
{
class Program
{
static void Main(string[] args)
{
float a, b, c;
double disc, deno, x1, x2;
Console.WriteLine("ENTER THE VALUES OF A,B,C...");
a = float.Parse(Console.ReadLine());
b = float.Parse(Console.ReadLine());
c = float.Parse(Console.ReadLine());
if (a == 0)
{
x1 = -c / b;
Console.WriteLine("The roots are Linear:", x1);
}
else
{
8
disc = (b * b) - (4 * a * c);
deno = 2 * a;
if (disc > 0)
{
Console.WriteLine("THE ROOTS ARE REAL AND DISTINCT ROOTS");
x1 = (-b / deno) + (Math.Sqrt(disc) / deno);
x2 = (-b / deno) - (Math.Sqrt(disc) / deno);
Console.WriteLine("THE ROOTS ARE... " + x1 + " and " + x2);
}
else if (disc == 0)
{
Console.WriteLine("THE ROOTS ARE REPEATED ROOTS");
x1 = -b / deno;
Console.WriteLine("THE ROOT IS...: " + x1);
}
else
{
Console.WriteLine("THE ROOTS ARE IMAGINARY ROOTS\n");
x1 = -b / deno;
x2 = ((Math.Sqrt((4 * a * c) - (b * b))) / deno);
Console.WriteLine("THE ROOT 1: " + x1 + "+i" + x2);
Console.WriteLine("THE ROOT 2:" + x1 + "-i" + x2);
}
}
Console.ReadLine();
9
}
}
}
Output
10
Exno:4
WRITE A PROGRAM IN C# TO DEMONSTRATE BOXING AND UNBOXING.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Boxing
{
class Program
{
static void Main(string[] args)
{
int m = 10;
object a = m; // boxing
try
{
Console.WriteLine("Value of m is:" + a);
object n = 20;
int b = (int)n; // attempt to unbox
Console.WriteLine("Value of n is:" + b);
System.Console.WriteLine("Unboxing OK.");
Console.ReadLine();
}
catch (System.InvalidCastException e)
{
11
System.Console.WriteLine("Error: Incorrect unboxing." + e.Message);
}
}
}
}
Output
12
Exno:5
WRITE A PROGRAM IN C# TO IMPLEMENT STACK OPERATIONS
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace stack
{
class Program
{
static void Main(string[] args)
{
int top = -1;
int[] s = new int[10];
Console.WriteLine("Enter The Size of The Stack");
int MAX = int.Parse(Console.ReadLine());
while (true)
{
Console.WriteLine("1.Push");
Console.WriteLine("2.Pop");
Console.WriteLine("3.Display");
Console.WriteLine("4.Exit");
Console.WriteLine("Enter your choice :");
int ch = int.Parse(Console.ReadLine());
switch (ch)
13
{
case 1:
if (top > MAX - 1)
Console.WriteLine("... Stack Overflow ...");
else
{
Console.WriteLine("Enter the item :");
int n = int.Parse(Console.ReadLine());
s[++top] = n;
}
break;
case 2:
if (top == -1)
Console.WriteLine(" ... Stack Underflow ...");
else
{
Console.WriteLine("Popped item :" + s[top--]);
}
break;
case 3:
if (top == -1)
Console.WriteLine("... Stack underflow ...");
else
{
Console.WriteLine("Elements in the stack");
14
for (int i = top; i >= 0; i--)
Console.WriteLine(s[i]);
}
break;
case 4:
return;
default:
Console.WriteLine("Wrong Choice");
break;
}
}
}
}
}
Output
15
Exno:6
WRITE A PROGRAM TO DEMONSTRATE OPERATOR OVERLOADING.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace OperatorOverloading
{
public struct addOpp
{
private double a;
public addOpp(double a)
{
this.a = a;
}
public override string ToString()
{
return string.Format("{0}", a);
}
static public addOpp operator +(addOpp lhs, addOpp rhs)
{
return new addOpp(lhs.a + rhs.a);
}
}
class Program
16
{
static void Main(string[] args)
{
Console.WriteLine("Enter Two Numbers");
addOpp c1 = new addOpp(double.Parse(Console.ReadLine()));
addOpp c2 = new addOpp(double.Parse(Console.ReadLine()));
addOpp c3 = c1 + c2;
Console.WriteLine("First Value is {0}", c1);
Console.WriteLine("Second Value is {0}", c2);
Console.WriteLine("Addition is {0}", c3);
Console.ReadLine();
}
}
}
Output
17
Exno:7
WRITE A PROGRAM IN C# TO FIND THE SECOND LARGEST ELEMENT IN A
SINGLE DIMENSIONAL ARRAY.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Largest
{
class Program
{
static void Main(string[] args)
{
int[] a = new int[10];
int i, j;
Console.WriteLine("Enter the No. of Elements");
int n = int.Parse(Console.ReadLine());
Console.WriteLine("Enter the Elements");
for (i = 0; i < n; i++)
{
a[i] = int.Parse(Console.ReadLine());
}
for (i = 0; i < n; i++)
for (j = 0; j < n - 1; j++)
{
18
if (a[j] < a[j + 1])
{
int temp = a[j];
a[j] = a[j + 1];
a[j + 1] = temp;
}
}
i = 1;
while (a[i] == a[0])
i++;
if (i >= n)
{
Console.WriteLine("Second Largest Element Does Not Exist");
Console.ReadLine();
}
else
{
Console.WriteLine("Second Largest Element is " + a[i]);
Console.ReadLine();
}
}
}
}
19
Output
20
Exno:8
WRITE A PROGRAM IN C# TO MULTIPLY TO MATRICES USING RECTANGULAR
ARRAYS
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Matrixmul
{
class MatrixMultiplication
{
int[,] a;
int[,] b;
int[,] c;
public int m1, n1, m2, n2;
public void ReadMatrix()
{
Console.WriteLine("\n Size of Matrix 1:");
Console.Write("\n Enter the number of rows in Matrix 1 :");
m1 = int.Parse(Console.ReadLine());
Console.Write("\n Enter the number of columns in Matrix 1 :");
n1 = int.Parse(Console.ReadLine());
a = new int[m1, n1];
Console.WriteLine("\n Size of Matrix 2 :");
Console.Write("\n Enter the number of rows in Matrix 2 :");
21
m2 = int.Parse(Console.ReadLine());
Console.Write("\n Enter the number of columns in Matrix 2 :");
n2 = int.Parse(Console.ReadLine());
b = new int[m2, n2];
if (n1 != m2)
{
Console.WriteLine("columns of A & Rows of B matrix are not equal");
Console.ReadLine();
Environment.Exit(0);
}
else
{
Console.WriteLine("\n Enter the elements of Matrix 1:");
for (int i = 0; i < m1; i++)
{
for (int j = 0; j < n1; j++)
{
a[i, j] = int.Parse(Console.ReadLine());
}
}
Console.WriteLine("\n Enter the elements of Matrix 2:");
for (int i = 0; i < m2; i++)
{
for (int j = 0; j < n2; j++)
{
22
b[i, j] = int.Parse(Console.ReadLine());
}
}
} }
public void PrintMatrix() {
Console.WriteLine("\n Matrix 1:");
for (int i = 0; i < m1; i++)
{
for (int j = 0; j < n1; j++)
{
Console.Write("\t" + a[i, j]);
}
Console.WriteLine();
}
Console.WriteLine("\n Matrix 2:");
for (int i = 0; i < m2; i++)
{
for (int j = 0; j < n2; j++)
{
Console.Write("\t" + b[i, j]);
}
Console.WriteLine();
}
Console.WriteLine("\n Resultant Matrix after multiplying:");
for (int i = 0; i < m1; i++)
23
{
for (int j = 0; j < n2; j++)
{
Console.Write("\t" + c[i, j]);
}
Console.WriteLine();
}
Console.ReadLine();
}
public void MultiplyMatrix()
{
c = new int[m1, n2];
for (int i = 0; i < m1; i++)
{
for (int j = 0; j < n2; j++)
{
c[i, j] = 0;
for (int k = 0; k < n1; k++)
c[i, j] = c[i, j] + a[i, k] * b[k, j];
}
}
}
}
class Program
{
24
static void Main(string[] args)
{
MatrixMultiplication MM = new MatrixMultiplication();
MM.ReadMatrix();
MM.MultiplyMatrix();
MM.PrintMatrix();
}
}
}
Output
25
Exno:9
FIND THE SUM OF ALL THE ELEMENTS PRESENT IN A JAGGED ARRAY OF 3
INNER ARRAYS
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Jaggedarray
{
class Program
{
static void Main(string[] args)
{
int[][] jarr = new int[3][];
int s = 0;
for (int i = 0; i < 3; i++)
{
Console.WriteLine("Enter the Size of the Array" +(i + 1));
int n = int.Parse(Console.ReadLine());
jarr[i] = new int[n];
Console.WriteLine("Enter the Values of Array " +(i + 1));
for (int j = 0; j < n; j++)
{
jarr[i][j] = int.Parse(Console.ReadLine());
s = s + jarr[i][j];
26
}
n = n + 0;
}
Console.WriteLine("Sum= " + s);
Console.ReadLine();
}
}
}
Output
27
Exno:10
WRITE A PROGRAM TO REVERSE A GIVEN STRING USING C#.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Reverse
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Enter the String :");
string a = Console.ReadLine();
int len = a.Length;
Console.Write("The Reverse of String is :");
for (int i = len - 1; i >= 0; i--)
{
Console.Write(a[i]);
}
Console.WriteLine();
Console.ReadLine();
}
}
}
28
Output
29
Exno:11
USING TRY, CATCH AND FINALLY BLOCKS WRITE A PROGRAM IN C# TO
DEMONSTRATE ERROR HANDLING.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace errorhandling
{
class Program
{
static void Main(string[] args)
{
int[] a = new int[3];
int n = args.Length;
try
{
if (n == 0)
{
int d = 10 / (n);
}
if (n == 1)
{
a[4] =6;
}
30
}
catch (IndexOutOfRangeException e)
{
Console.WriteLine("Exception"+e);
}
catch (DivideByZeroException e)
{
Console.WriteLine("DivideByZeroException"+e);
}
finally
{
Console.WriteLine("finally block :: End of Program");
}
Console.ReadLine();
}
}
}
Output
31
Exno:12
DESIGN A SIMPLE CALCULATOR USING SWITCH STATEMENT IN C#.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Simplecalculator
{
class Program
{
static void Main(string[] args)
{
float a, b;
int ch;
Console.Write("Enter The First No.: ");
a = float.Parse(Console.ReadLine());
Console.Write("\nEnter the Second No.: ");
b = float.Parse(Console.ReadLine());
while (true)
{
Console.WriteLine("===============================");
Console.WriteLine("1.Addition\n2.Subtraction\n3.Multiplication\n4.Division\n5.Moduler
Division\n6.Square\n7.Square Root\n8.Exit");
Console.WriteLine("===============================");
Console.Write("Enter your Choice : ");
32
ch = int.Parse(Console.ReadLine());
switch (ch)
{
case 1: Console.WriteLine("Addition :" + a + "+" + b + "=" + (a + b));
break;
case 2: Console.WriteLine("Subtraction :" + a + "-" + b + "=" + (a - b));
break;
case 3: Console.WriteLine("Multiplication :" + a + "*" + b + "=" + (a * b));
break;
case 4: Console.WriteLine("Division :" + a + "/" + b + "=" + (a / b));
break;
case 5: Console.WriteLine("Moduler Division:" + a + "%" + b + "=" + (a % b));
break;
case 6: Console.WriteLine("Square(" + a + ") =" + (a * a));
break;
case 7: Console.WriteLine("SquareRoot(" + a + ") =" + Math.Sqrt(a));
break;
default: Console.WriteLine("Invalid Input");
Environment.Exit(0);
break;
}
}
}
}
}
33
Output
34
Exno:13
DEMONSTRATE USE OF VIRTUAL AND OVERRIDE KEY WORDS IN C# WITH A
SIMPLE PROGRAM
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace VirtualKey
{
class person
{
protected string fname;
protected string lname;
public person(string fn, string ln)
{
fname = fn;
lname = ln;
}
public virtual void display()
{
Console.WriteLine("Person :" + fname + " " + lname);
}
}
class emp : person
{
35
public ushort year;
public emp(string fn, string ln, ushort yr)
: base(fn, ln)
{
year = yr;
}
public override void display()
{
Console.WriteLine("Employee :"+fname+" "+lname+" "+year);
}
}
class worker : person
{
public String company;
public worker(string fn, string ln, string c):base(fn, ln)
{
company=c;
}
public override void display()
{
Console.WriteLine("Worker :" + fname + " " + lname + " " +company);
}
}
class Program
{
36
static void Main(string[] args)
{
Console.WriteLine("\n\n*** VIRTUAL AND OVERRIDE KEYWORDS DEMO ***");
person p1 = new person("RAM", "KUMAR");
person p2 = new emp("RAM", "KUMAR",2012);
person p3 = new worker("RAM", "KUMAR","ABC TECH SOLS");
p1.display();
p2.display();
p3.display();
Console.ReadLine();
}
}
}
Output
37
Exno:14
IMPLEMENT LINKED LISTS IN C# USING THE EXISTING COLLECTIONS NAME
SPACE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace linkedlist
{
class Program
{
static LinkedList<int> ll = new LinkedList<int>();
static LinkedListNode<int> node;
static void Main(string[] args)
{
Console.WriteLine(" LINKED LIST DEMO");
int ch, x;
Console.WriteLine("Linked List Operations");
Console.WriteLine("1.AddFirst\n2.AddLast\n3.RemoveFirst\n4.RemoveLast\n5.Remove
Specified\n6.Display\n7..Exit");
while (true)
{
Console.Write("Enter your Choice : ");
ch = int.Parse(Console.ReadLine());
switch (ch) {
case 1: Console.Write("Enter the Element to AddFirst : ");
38
x = int.Parse(Console.ReadLine());
ll.AddFirst(x);
display();
break;
case 2: Console.WriteLine("Enter the Element to AddLast : ");
x = int.Parse(Console.ReadLine());
ll.AddLast(x);
display();
break;
case 3:
if (ll.Count == 0)
{
Console.WriteLine("Nothing to Delete...!!!");
break;
}
else
{
Console.WriteLine("First Element Removed Successfully");
ll.RemoveFirst();
display();
break;
}
case 4: if (ll.Count == 0)
{
Console.WriteLine("Nothing to Delete...!!!");
39
break;
}
else
{
Console.WriteLine("Last Element Removed Successfully");
ll.RemoveLast();
display();
break;
}
case 5: if (ll.Count == 0)
{
Console.WriteLine("Nothing to Delete...!!!");
break;
}
else
{
Console.WriteLine("Enter the Element to Remove");
x = int.Parse(Console.ReadLine());
bool b=ll.Remove(x);
if (b == true)
{
Console.WriteLine("Element Removed Successfully");
display();
break;
}
40
else {
Console.WriteLine("Specified Node Does not Exist");
break;
}
}
case 6:
display();
break;
default: Environment.Exit(0);
break;
}
}
}
public static void display()
{
if (ll.Count == 0)
{
Console.WriteLine("Nothing to Display...!!!");
}
else
{
Console.Write("Elements in the List are:");
for (node = ll.First; node != null; node=node.Next)
Console.Write(node.Value+" ");
Console.WriteLine();
41
}
}
}
}
Output
42
Exno:15
WRITE A PROGRAM TO DEMONSTRATE ABSTRACT CLASS AND ABSTRACT
METHODS IN C#.
using System;
namespace TryCatch {
abstract class person {
protected string fname;
protected string lname;
public person(string fn, string ln) {
fname = fn;
lname = ln;
}
public abstract void display() {
Console.WriteLine("Person :" + fname + " " + lname);
}
}
class emp : person
{
public ushort year;
public emp(string fn, string ln, ushort yr)
: base(fn, ln) {
year = yr;
}
public override void display() {
Console.WriteLine("Employee :" + fname + " " + lname + " " + year);
43
}
}
class worker : person {
public String company;
public worker(string fn, string ln, string c)
: base(fn, ln)
{
company = c;
}
public override void display() {
Console.WriteLine("Worker :" + fname + " " + lname + " " + company);
}
}
class Program
{
static void Main(string[] args) {
Console.WriteLine("**ABSTRACT CLASS AND ABSTRACT METHODS DEMO **");
person p2 = new emp("RAM", "KUMAR", 2012);
person p3 = new worker("RAM", "KUMAR", "ABC TECH SOLS");
p2.display();
p3.display();
Console.ReadLine();
}
}
}
44
Output
45
Exno:16
WRITE A PROGRAM IN C# TO BUILD A CLASS WHICH IMPLEMENTS AN
INTERFACE WHICH ALREADY EXISTS.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Infc
{
class Point:ICloneable
{
public int x, y;
public Point(int x, int y) {
this.x = x;
this.y = y;
}
public object Clone() {
return new Point(this.x, this.y);
}
public override string ToString()
{
return string.Format("X= {0}; y={1}", x, y);
}
}
class Porgram{
46
static void Main(string[] args)
{
Point p1 =new Point(10,10);
Point p2 =(Point)p1.Clone();
p2.x = 20;
Console.WriteLine(p1);
Console.WriteLine(p2);
Console.Read();
}
}
}
Output
47
Exno:17
WRITE A PROGRAM TO ILLUSTRATE THE USE OF DIFFERENT PROPERTIES IN
C#.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Properties
{
class point
{
int getx, gety;
public int x
{
get { return getx; }
set { getx = value; }
}
public int y
{
get { return gety; }
set { gety = value; }
}
}
class Program
{
48
static void Main(string[] args)
{
point start = new point();
point end = new point();
start.x = 10;
start.y = 20;
end.x = 100;
end.y = 200;
Console.Write("\npoint 1 :" + start.x + " " + end.x);
Console.Write("\npoint 2 :" + start.y + " " + end.y);
Console.ReadLine();
}
}
}
Output
49
Exno:18
DEMONSTRATE ARRAYS OF INTERFACE TYPES WITH A C# PROGRAM.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace IntrDemo {
public interface Shape {
void area();
}
public class Circle : Shape {
public void area() {
Console.WriteLine("*** Calculating Area of Circle ***");
Console.Write("Enter the Radius:");
float r = float.Parse(Console.ReadLine());
Console.WriteLine("Area of Circle = " + (3.142 * r * r));
}
}
public class Square : Shape {
public void area() {
Console.WriteLine("*** Calculating Area of Square ***");
Console.Write("Enter the Length:");
float side = float.Parse(Console.ReadLine());
Console.WriteLine("Area of Square = " + (side * side));
}
50
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine("*** Arrays of Inerface Demo ***");
Shape[] s = new Shape[2];
s[0] = new Circle();
s[1] = new Square();
for (int i = 0; i < s.Length; i++)
{
s[i].area();
Console.ReadLine();
}
}
}
}
Output