Dot Net File Submission (dot Net Programs)

Name: Tanmay Baid Roll Number: 0829cs071112 // 1. WAP to print “HELLO C#” using System; using System.Collections.Generic; using System.Text; namespace printname { class Program { static void Main(string[] args) { Console.WriteLine("HELLO C#"); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112

// 2. WAP to read two integer numbers and print the sum using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication3 { class Program { static void Main(string[] args) { Console.WriteLine("Enter the first number:"); string s1 = Console.ReadLine(); int a1 = Convert.ToInt32(s1); Console.WriteLine("Enter the second number:"); string s2 = Console.ReadLine(); int a2 = Convert.ToInt32(s2); int s3 = a1 + a2; Console.WriteLine("The sum is:" + s3); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112

// 3. WAP to input and output 5 numbers using array and function using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication { class Array { static void Main(string[] args) { int[] a = new int[5]; GetArray(a); Console.WriteLine("ENTERED NUMBER IS\n"); for (int i = 0; i < a.Length; i++) Console.WriteLine("a[" + i + "]=" + a[i]); Console.ReadLine(); } static void GetArray(int[] a) { Console.WriteLine("ENTER 5 NUMBERS"); for (int i = 0; i < a.Length; i++) a[i] = int.Parse(Console.ReadLine()); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112

// 4. WAP using 2D array to print a matrices. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication6 { class TwoDArray { static void Main(string[] args) { int[,] a; a = new int[2, 3]; a[0, 0] = 50; a[0, 1] = 60; a[0, 2] = 70; a[1, 0] = 80; a[1, 1] = 90; a[1, 2] = 100; for (int i = 0; i < 2; i++) { for (int j = 0; j < 3; j++) Console.Write(" " + a[i, j]); Console.WriteLine(); } Console.WriteLine("press any key to exit"); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 /* 5. WAP to print jagged array and also find the number of rows and number of columns in each row.*/ using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication7 { class Demo { static void Main(string[] args) { int[][] a = new int[2][]; a[0] = new int[] { 89,94,46,54,64 }; a[1] = new int[] {12,56}; for (int i = 0; i < a.Length; i++) { for (int j = 0; j < a[i].Length;j++) Console.Write(" " + a[i][j]); Console.WriteLine(); } Console.WriteLine("no of rows=" +a.Length); Console.WriteLine("no of column in first row=" + a[0].Length); Console.WriteLine("no of column in second row=" + a[1].Length); Console.WriteLine("\npress any key to exit"); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 6. WAP to find sum of two number using function. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication8 { class Sumof { static void Main(string[] args) { int a, b; Console.Write("Enter 1st Number "); a = int.Parse(Console.ReadLine()); Console.Write("Enter 2nd Number "); b = int.Parse(Console.ReadLine()); int c = sum(a, b); Console.WriteLine("Sum of " + a + " & " + b + " is =" + c); Console.ReadLine(); } static int sum(int a, int b) { int c = a + b; return c; } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 7. WAP to show how static data member works in a class. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication9 { class A { static int n; public void Get(int x) { n = x; } public void Show() { Console.WriteLine("n=" + n); } } class sta_tic { static void Main() { A a = new A(); a.Get(99); a.Show(); A b = new A(); b.Get(200); b.Show(); a.Show(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 /*8. WAP to check whether the two entered string are equal or not using string class and its methods. also find the length of each string.*/ using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication10 { class Demo { public static void Main(string[] args) { string s = "Check"; string t = "Check"; if (s.Equals(t)) Console.WriteLine("Strings are Same"); else Console.WriteLine("String are Different"); Console.WriteLine("Length of the string s is= " + s.Length); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 9. WAP to show how we can use structure in a class. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication11 { struct Student { int rollno; string name; public void SetData(int r, string n) { rollno = r; name = n; } public void ShowData() { Console.WriteLine("ROLL NO=:" + rollno); Console.WriteLine("Name=:" + name); } } class struc { static void Main(string[] args) { Student s = new Student(); s.SetData(52, "Tanmay Baid"); s.ShowData(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 10. WAP to show how structure variable works differently than class variable (object). using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication12 { struct Student { int rollno; string name; public void SetData(int r, string n) { rollno = r; name = n; } public void ShowData() { Console.WriteLine(rollno + " " + name); } } class strt { static void Main(string[] args) { Student s = new Student(); s.SetData(1, "Enrique"); s.ShowData(); Student t = s; // values of s will be copied into t t.ShowData(); t.SetData(2, "Atif"); // s will not change t.ShowData(); s.ShowData(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 11. WAP to show how we can pass object as an argument to a function. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication13 { class Student { int rollno; string name; public void SetData(int r, string n) { rollno = r; name = n; } public void ShowData() { Console.WriteLine(rollno + " " + name); } public void SetData(Student a) { rollno = a.rollno; name = a.name; } } class Demo { static void Main(string[] args) { Student s = new Student(); s.SetData(1, "Shirlee"); s.ShowData(); Student t = new Student(); t.SetData(s); t.ShowData(); t.SetData(2, "Robin"); // s will not change t.ShowData(); s.ShowData(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 12. WAP that will work like copy constructor of c++. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication14 { class Student { int rollno; string name; public void SetData(int r, string n) { rollno = r; name = n; } public void ShowData() { Console.WriteLine(rollno + " " + name); } } class Demo { static void Main(string[] args) { Student s = new Student(); s.SetData(1, "Gabriel"); s.ShowData(); Student t = s;// t will point to s t.ShowData(); t.SetData(2, "Rohinton");// s will also be changed t.ShowData(); s.ShowData(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 13. WAP that contains different classes but no inheritance. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication15 { class A { public void Show() { Console.WriteLine("Show A"); } } class B { public void Show() { Console.WriteLine("Show B"); } } class Demo { static void Main(string[] args) { A a = new A(); a.Show(); B b = new B(); b.Show(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 14. WAP to inherit base class into derived class (no method overriding). using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication16 { class A { public void Say() { Console.WriteLine("say A"); } public void Write() { Console.WriteLine("write A"); } } class B : A { public void Say() { Console.WriteLine("say B"); } public void Call() { Console.WriteLine("Call B"); } } class Demo { static void Main(string[] args) { A a = new A(); Console.WriteLine("Langston Hughes"); a.Say(); a.Write(); //a.call(); // call() not accessible by A's abject Console.WriteLine("*Octavia Butler"); B b = new B(); b.Say(); b.Write(); b.Call(); Console.WriteLine("--when (a=b)--"); a = b; 27

Name: Tanmay Baid Roll Number: 0829cs071112 a.Say(); a.Write(); // a.Call(); // we cant call call() bcozz it is not defined by A class Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 15. WAP to show polymorphism using virtual and override keyword . using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication17 { class A { public virtual void Show() { Console.WriteLine("Show A"); } public virtual void Fun() { Console.WriteLine("Fun A"); } } class B : A { public override void Show() { Console.WriteLine("Show B"); } public void Call() { Console.WriteLine("Call B"); } } class Demo { static void Main(string[] args) { A a = new A(); Console.WriteLine("***X***"); a.Show(); a.Fun(); //a.Call(); // call() not accessible by A's abject B b = new B(); Console.WriteLine("***Y***"); b.Show(); b.Fun(); b.Call(); a = b; Console.WriteLine("***when(a=b)***"); 30

Name: Tanmay Baid Roll Number: 0829cs071112 a.Show(); a.Fun(); // a.Call(); // we cant call call() bcozz it is not defined by A class Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 16. WAP to show how we can use abstract class and abstract method. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication18 { abstract class A { public virtual void Show() { Console.WriteLine("Show A"); } public virtual void Fun() { Console.WriteLine("Fun A"); } public abstract void Call(); } class B : A { public override void Show() { Console.WriteLine("Show B"); } public override void Call() { Console.WriteLine("Call B"); } } class Demo { static void Main(string[] args) { B b = new B(); Console.WriteLine("----B----"); b.Show(); b.Fun(); b.Call(); A a = b; Console.WriteLine("----(A=B)----"); a.Show(); a.Fun(); a.Call(); Console.ReadLine(); } 33

Name: Tanmay Baid Roll Number: 0829cs071112 } } Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 17. WAP to show multiple inheritance using class and interface. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication19 { class A { public virtual void Show() { Console.WriteLine("Show A"); } public void Disp() { } } interface Z { void Call(); } class B : A, Z { public override void Show() { Console.WriteLine("Show B"); } public void Call() { Console.WriteLine("Call B"); } } class Demo { static void Main(string[] args) { B b = new B(); Console.WriteLine("----B---"); b.Show(); // will call show() of B class b.Call(); // will call call() of B class A a = b; Console.WriteLine("---(A=B)--"); a.Show(); // will call show() of B class Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

Output:

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Name: Tanmay Baid Roll Number: 0829cs071112 // 18. WAP to avoid inheritance of particular method. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication20 { class A { public virtual void Show() { Console.WriteLine("Show A"); } } class B : A { public sealed override void Show() { Console.WriteLine("Show B"); } } class C : B { public override void Show() // Error :sealed method in B cant be override { Console.WriteLine("Show B"); } } class Demo { static void Main(string[] args) { B b = new B(); A a = b; a.Show(); Console.ReadLine(); } } }

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Name: Tanmay Baid Roll Number: 0829cs071112

// 19. WAP to show how we can use enumeration to define symbolic constants for color. using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication21 { class Colors { enum Color { Voilet, Green, Blue, } static void Main(string[] args) { string buffer; Color myColor; Console.WriteLine("Violet=0"); Console.WriteLine("Green=1"); Console.WriteLine("Blue=2"); Console.WriteLine("Enter a value for a color:"); buffer = Console.ReadLine(); myColor = (Color)Convert.ToInt32(buffer); switch (myColor) { case Color.Voilet: System.Console.WriteLine("\nYour choise of colour is:..."); break; case Color.Green: System.Console.WriteLine("\nYour choise of colour is..."); break; case Color.Blue: System.Console.WriteLine("\nYour choise of colour is..."); break; default: System.Console.WriteLine("\nYour choise of colour is..."); break; } 38

Name: Tanmay Baid Roll Number: 0829cs071112 System.Console.WriteLine("\n {0} ({1})", myColor, (int)myColor); Console.WriteLine("thanks!!"); Console.Read(); } } } Output: Output for Blue:

Output for Green:

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Name: Tanmay Baid Roll Number: 0829cs071112

/* 20. WAP to show how we can use enumeration to define symbolic constants for on/off (1,0) values.*/ using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication22 { class TTT { public enum Mode { off, on } static void Main(string[] args) { Mode ob; Console.WriteLine("enter 0 or 1"); string str = Console.ReadLine(); ob = (Mode)Convert.ToByte(str); if (ob == Mode.off) Console.WriteLine("off"); 40

Name: Tanmay Baid Roll Number: 0829cs071112 else if (ob == Mode.on) Console.WriteLine("on"); else Console.WriteLine("invalid number"); Console.ReadLine(); } } }

Output: Output for ON Condition:

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Name: Tanmay Baid Roll Number: 0829cs071112

Output for OFF Condition:

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