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C# Basic Programs

This section contains C# basic programs/examples with the output and explanation. These all implemented programs are written, compiled in the Visual studio. These programs are based on the simple printing messages, mathematical problems, date & time formats etc.

Here is the complete list of 500+ most popular C# basic programs along with explanations:

• Basics C# Programs
• If Else (Conditional Statement) C# Programs
• Looping C# Programs
• Array C# Programs
• Character Arrays C# Programs
• Recursion C# Programs
• String C# Programs
• Class, Object, Methods C# Programs
• Miscellaneous C# Programs

Basics C# Programs

1. C# program to print messages/text (program to print Hello world)
2. C# program to demonstrate example of Console.Write() and Console.WriteLine()
3. C# program to print a new line
4. C# program to print backslash (\)
5. C# program to demonstrate the example of New keyword
6. C# program to print size of various data types
7. C# program for type conversion from double to int
8. C# program to convert various data type to string using ToString() method
9. C# program to define various types of constants
10. C# program to declare different types of variables, assign the values and print
11. C# program to input and print an integer number
12. C# program to demonstrate example of arithmetic operators
13. C# program to demonstrate example of assignment operators
14. C# program to demonstrate example of sizeof() operator
15. C# program to demonstrate example of equal to and not equal to operators
16. C# program to demonstrate example of relational operators
17. C# program to demonstrate example of bitwise operators
18. C# program to find the addition of two integer numbers
19. C# program to swap two numbers with and without using third variable
20. C# | print type, max and min value of various data types
21. C# program to swap numbers using XOR operator
22. C# program to find the magnitude of an integer number
23. C# program to demonstrate the example of the left-shift operator
24. C# program to demonstrate the example of the right shift operator
25. C# program to read the grade of students and print the appropriate description of grade
26. C# program to calculate the size of the area in square-feet based on specified length and width
27. C# program to find the division of exponents of the same base
28. C# program to demonstrate the example goto statement
29. C# program to print a message without using the WriteLine() method
30. C# program to convert a binary number into a decimal number
31. C# program to convert a decimal number into a binary number
32. C# program to convert a decimal number into an octal number
33. C# program to convert a hexadecimal number into a decimal number
34. C# program to convert a decimal number into a hexadecimal number
35. C# program to convert a meter into kilo-meter and vice versa
36. C# program to convert a temperature from Celsius to Fahrenheit
37. C# program to convert a temperature from Fahrenheit into Celsius
38. C# program to create gray code
39. C# program to change the case of entered character
40. C# program to convert entered days into years, weeks, and days
41. C# program to convert the US dollar into Indian rupees
42. C# program to print digits of a number into words
43. C# program to check the given number is a perfect number or not
44. C# program to print the all factors of a given number
45. C# program to find the HCF of two given numbers
46. C# program to check given numbers are the pair of amicable numbers or not
47. C# program to find the addition of two complex numbers
48. C# program to find the greatest common divisor (GCD)
49. C# program to find the value of sin(x)
50. C# program to demonstrate the trigonometry angles in degrees using Math class
51. C# program to demonstrate the trigonometry angles in radians using Math class
52. C# program to calculate the MEAN of a set of given numbers
53. C# program to calculate the VARIANCE of a set of given numbers
54. C# program to calculate the Standard Deviation of a set of given numbers
55. C# program to calculate the compound interest
56. C# program to calculate the Cosine(X) using a predefined method
57. C# program to calculate the Cosine(X) without using a predefined method
58. C# program to calculate the traveled distance based on speed and time
59. C# program to print the Pascal Triangle
60. C# program to calculate the sum of two binary numbers
61. C# program to calculate the multiplication of two exponents of the same base
62. C# program to print Floyd's triangle
63. C# program to calculate the multiplication of two numbers using the left shift operator
64. C# program to print the edge values using Pow() method
65. C# program to calculate the fractional power of numbers
66. C# program to demonstrate the bitwise operations
67. C# program to find the root of a quadratic equation
68. C# program to print the absolute value of a number without using Math.Abs() method
69. C# program to find the Least Common Multiple of two numbers
70. C# program to find the cube root of a given number
71. C# program to find the square root of a given number without using Math.Sqrt() method
72. C# program to calculate the area of a Cone
73. C# program to calculate the volume of a cone
74. C# program to calculate the NPR
75. C# program to calculate the area of Sphere
76. C# program to calculate the volume of Sphere
77. C# program to calculate the perimeter of Circle
78. C# program to calculate the perimeter of Rectangle
79. C# program to calculate the NCR

If Else (Conditional Statement) C# Programs

1. C# program to demonstrate example of simple if else statement
2. C# program to demonstrate example of multiple if else statement
3. C# program to demonstrate example of nested if else statement
4. C# program to demonstrate example of conditional operator
5. C# program to demonstrate example of nested conditional operator
6. C# program to demonstrate example of switch statement
7. C# program to demonstrate example of nested switch statement
8. C# program to read two numbers and find maximum, minimum number
9. C# program to find largest of two numbers
10. C# program to find largest of three numbers
11. C# program for character comparison
12. C# program to check given strings are equal or not using equal to (==) operator
13. C# program to input weekday number and print the weekday
14. C# program to design a simple calculator using if else if statements
15. C# program to design a simple calculator using switch case statement
16. Using string with switch case statement in C#
17. C# program to demonstrate the use of a ternary conditional operator

Looping C# Programs

1. C# program to print numbers from 1 to 15 using while loop
2. C# | Print numbers from 1 to 15 using do while loop
3. C# program to find out the prime numbers among 2 to 30
4. C# program to find out the leap years from 1900 to 1950
5. C# program to print Even and Odd numbers from 1 to 30
6. Define Armstrong numbers and write program to check given number is Armstrong or not, in C#
7. C# program to check whether a given number is Palindrome or not
8. Define Fibonacci series - Write a program to print fibonacci series in c#
9. C# program to find sum of all digits of a given number
10. C# program to reverse digits of a given number

Array C# Programs

1. C# | different types of one dimensional array declarations
2. C# | printing an integer array using foreach loop
3. C# | different types of two dimensional array declarations
4. C# | Two dimensional array with fixed row size and variable columns size
5. Find positive numbers from array of integers using C# program
6. Find negative numbers from array of integers using C# program
7. Find leap years form array of integers using C# program
8. Print all Even numbers from array of integers using C# program
9. Print all Odd numbers from array of integers using C# program
10. Find largest element from an integer array in C#
11. Find smallest element from integer array in C#
12. Find palindrome numbers from array using C# program
13. Insert an element at given position into array using C# program
14. Delete an element from given position from array using C# program
15. Reverse array elements using c# program
16. Delete given element from array using C# program
17. Find total number of occurrence of a given number using C# program
18. Merge two arrays into third array using C# program
19. C# program to make a simple ATM machine
20. C# program to find the average of array elements
21. C# program to convert a two-dimensional array into a one-dimensional array
22. C# program to demonstrate the example of LongLength property of array
23. C# program to print the lower bound and upper bound of an array
24. C# program to find out the dimensions of an array
25. C# program to demonstrate the example of BlockCopy method of the array
26. C# program to produce a third array by appending two different arrays
27. C# program to search an item in an array using binary search
28. C# program to implement indexer for an integer array
29. C# program to convert negative values an integer array into positive
30. C# program to get the length of a jagged array using predefine property
31. C# program to find the smallest and largest elements of an array using predefined methods
32. C# program to find the average of array elements using the predefine Average() method of Queryable class
33. C# program to find the sum of array elements using the predefine Sum() method of Queryable class
34. C# program to reverse an integer array using a predefined method
35. C# program to sort an integer array using the predefined method
36. C# program to add two matrices
37. C# program to transpose a matrix
38. C# program to print the upper triangular matrix
39. C# program to print the lower triangular matrix
40. C# program to check the matrix is an identity matrix or not
41. C# program to find the largest element in the matrix
42. C# program to multiply two matrices
43. C# program to find the sum of each row of the matrix
44. C# program to find the sum of each column of the matrix
45. C# program to find the sum of the right diagonal of the matrix
46. C# program to find the sum of the left diagonal of the matrix
47. C# program to interchange the columns of the matrix
48. C# program for swapping of two arrays
49. C# program to insert an item into a sorted array
50. C# program to delete an item from a sorted array

Character Arrays C# Programs

1. What is character array in C#, explain with an example?
2. How to convert a string into character array in C#.Net?
3. How to copy specified number of characters from a string into character array in C#?
4. How to check whether string contains substring or not in C#?

Recursion C# Programs

1. C# program to calculate the sum of all digits of a number using recursion
2. C# program to print the binary equivalent of an integer number using recursion
3. C# program to implement Power() method using recursion

String C# Programs

1. Comparing two strings in C#
2. Compare strings using Equals() method in c#
3. Demonstrate the example of Copy method of String class in C#
4. Demonstrate the example of IndexOf() method of string class in C#
5. Explain LastIndexOf() method of String class with Example in C#
6. Explain String.Split() method of String class in C# with an Example
7. How to convert string into uppercase in C#?
8. How to convert string into lowercase in C#?
9. How to get substring from a string in C#?
10. How to trim the string in C#, an example of String.Trim() method?
11. How to trim leading spaces of string using String.TrimStart() in C#?
12. How to trim trailing spaces of string using String.TrimEnd() in C#?
13. How to pad string from left using String.PadLeft() in C#?
14. How to pad string from right using String.PadRight() in C#?
15. Check whether string ends with given substring or not using String.EndsWith() in C#?
16. How to remove given substring from a string using String.Remove() in C#?
17. How to replace a character with another character in a string in C#?
18. C# program to count the frequency of the specified word in the given string
19. C# program to trim a specified string
20. C# program to trim a specified string from the left side
21. C# program to trim a specified string from the right side
22. C# program to split a string using the Split() method of String class
23. C# program to extract only numbers from a specified string using the Split() method
24. C# program to get the length of the string
25. C# program to replace a substring within a specified string
26. C# program to find the occurrence of the specified word in a given string
27. C# program to convert a string from lowercase to uppercase
28. C# program to print the abbreviation of a given string
29. C# program to print the list of all possible substrings of a specified string
30. C# program to count the total number of digits in an alpha-numeric string
31. C# program to concatenate the two strings using a predefined method
32. C# program to reverse a given string without using the predefined method
33. C# program to perform left padding without using PadLeft() method
34. C# program to perform the right padding without using the PadRight() method
35. C# program to count the total number of vowels in a given string
36. C# program to generate random strings
37. C# program to encrypt and decrypt a string using Rijndael key algorithm
38. C# program to count the lines in a given string

Class, Object, Methods C# Programs

1. C# program to demonstrate the class and object creation
2. 'this' reference in C#.Net with Example
3. Explain Cascaded Method call in C# with an Example
4. C# program for Default Arguments
5. How to call non-trailing arguments as default argument in C#?
6. How to pass object as argument into method in C#?
7. Method returning object in C#
8. C# program to demonstrate the example of a sealed class
9. C# program to demonstrate the example of unboxing
10. C# program to demonstrate the example of single inheritance
11. C# program to demonstrate the example of multi-level inheritance
12. C# program to demonstrate the example of hierarchical inheritance
13. C# program to demonstrate the example of multilevel inheritance with method overriding
14. C# program to demonstrate the simple interface
15. C# program to implement the same method in multiple classes
16. C# program to implement multiple interfaces in the same class
17. C# program to implement multiple interfaces with the same method in the same class
18. C# program to demonstrate interface implementation with multi-level inheritance
19. C# program to implement an interface in a structure
20. C# program to implement multiple-inheritance using the interface
21. C# program to implement hierarchical inheritance using the interface
22. C# program to demonstrate the inheritance of interfaces
23. C# program to demonstrate the simple example of the abstract class
24. C# program to implement the same abstract method in multiple classes
25. C# program to inherit an abstract class and interface in the same class
26. C# program to demonstrate abstract class with multiple-level inheritance
27. C# program to implement multiple-inheritance using abstract class and interface
28. C# program to implement hierarchical inheritance using the abstract class
29. C# program to demonstrate the inheritance of abstract classes
30. C# program to demonstrate the use of reflection to get namespace and base-type
31. C# program to print class names created in the program using reflection
32. C# program to print class names and its method names using reflection classes
33. C# program to print method names and its parameters using reflection classes
34. C# program to print constructors of the specified class using ConstructorInfo class
35. C# program to print properties of the specified class using PropertyInfo class
36. C# program to check a specified class is an abstract class or not
37. C# program to check a specified class is a sealed class or not
38. C# program to check a specified class is a serializable class or not
39. C# program to check a class is a sub-class of a specified class or not
40. C# program to check a specified type is a class or not
41. C# program to check a specified type is an enum or not
42. C# program to check a specified type is an interface or not
43. C# program to check a specified type is nested or not
44. C# program to check a specified type is a primitive data type or not
45. C# program to check a specified type is a pointer or not
46. C# program to check a specified type is an array or not
47. C# program to check a specified type is public or not
48. C# program to check a specified type is a value type or not
49. C# program to print the current assembly name using GetExecutingAssembly() method
50. C# program to demonstrate the interface
51. C# program to demonstrate the properties in the interface
52. C# program to demonstrate the IList interface
53. C# program to demonstrate the IDictionary interface
54. C# program to demonstrate the static class
55. C# program to get the count of total created objects
56. C# program to demonstrate the static constructor
57. C# program to demonstrate the structure
58. C# program to demonstrate the static constructor in the structure
59. C# program to demonstrate the array of structures
60. C# program to demonstrate the structure within a structure
61. C# program to demonstrate method overloading based on the number of arguments
62. C# program to demonstrate method overloading based on types of arguments
63. C# program to demonstrate method overloading based on the order of arguments
64. C# program to demonstrate the constructor overloading
65. C# program to demonstrate the index overloading
66. C# program to demonstrate the concept of method hiding
67. C# program to demonstrate the example of anonymous method
68. C# program to create an obsolete method in a class
69. C# program to demonstrate the example of Pass by reference parameter passing in a method

Miscellaneous C# Programs

1. C# program to demonstrate ATM transactions
2. C# program to generate random numbers
3. C# program to take height as input and print its category as Dwarf, Average, and Tall
4. C# program to implement phonebook
5. C# program to terminate the current running program explicitly
6. C# program to create a user defined the namespace
7. C# program to demonstrate the use of #define preprocessor
8. C# program to demonstrate the example of regular expression
9. C# program to demonstrate the example of Nullable data types
10. C# program to print the hostname of the computer
11. C# program to print the IP address of the computer
12. C# program to demonstrate the validation of username and password
13. C# program to demonstrate the conditional attribute using #define
14. C# program to demonstrate the #if preprocessor directive
15. C# program to demonstrate the #undef preprocessor directive
16. C# program to demonstrate the #error preprocessor directive
17. C# program to demonstrate the #warning preprocessor directive
18. C# program to demonstrate the #region preprocessor directive
19. C# program to demonstrate the #pragma preprocessor directive
20. C# program to demonstrate the Obsolete attribute
21. C# program to generate an error for the obsolete method using the Obsolete attribute
22. C# program to demonstrate the CLSCompliant attribute
23. C# program to demonstrate the Flags Attribute
24. C# program to demonstrate unsafe code using pointers
25. C# program to access array elements using the pointer
26. C# program to swap two numbers using the pointer
27. C# program to count vowels in character array using pointers
28. C# program to demonstrate the pointer as a data member
29. C# program to demonstrate the optional parameters
30. C# program to demonstrate the named arguments
31. C# program to demonstrate the command line arguments
32. C# program to print pattern of 0's and 1's
33. Explain StreamReader in C# with Example