1. C# Program to add two numbers
2. C# Program to initialize more than one variable at a time
3. C# Program to find the square root of a number
4. C# Program to check the age of a user is eligible for voting or not
5. C# Program to check number is even or odd
6. C# Program to find the greatest number among three numbers
7. C# Program to find the largest of three numbers using nested if
8. C# Program to find the largest of three characters using nested if
9. C# Program to print table of any number
10. C# Program to find quotient and remainder
11. C# Program to find quotient without using the division operator
12. C# Program to find remainder without using the modulus operator
13. C# Program to swap two numbers without using third variable
14. C# Program to perform arithmetic operations using switch case
15. C# Program to print sum of first 10 natural numbers
16. C# Program to find factorial of a number
17. C# Program to check a number is a strong number or not
18. C# Program to reverse a number
19. C# Program to check a number is a palindrome or not
20. C# Program to check number is Armstrong or not
21. C# Program to check a number is prime or not
22. C# Program to print all prime numbers between 1 to n
23. C# Program to find the sum of prime numbers between 1 to n
24. C# Program to check the square root of a number is prime or not
25. C# Program to print first n odd numbers in descending order
26. C# Program to find the sum of digits of a number
27. C# Program to find the sum of even digits of a number
28. C# Program to find the sum of odd digits of a number
29. C# Program to find the sum of even and odd digits of a number
30. C# Program to find the sum of first and last digit of a number
31. C# Program to find the largest digit of a number
32. C# Program to convert a number into characters
33. C# Program to find the sum of array elements
34. C# Program to find even and odd elements in an array
35. C# Program to find the sum of even and odd elements in an array
36. C# Program to reverse array elements
37. C# Program to find the largest and smallest element in an array
38. C# Program to find the second largest element in an array
39. C# Program to find the second smallest element in an array
40. C# Program to search an element in the array
41. C# Program to check a number is unique or not
42. C# Program to find duplicate elements in the array
43. C# Program to copy all elements of an array to another array
44. C# Program to swap adjacent elements of an array
45. C# Program to sort an array in ascending order
46. C# Program to sort an array in descending order
47. C# Program to find union and intersection of two arrays
48. C# Program to find prime numbers in an array
49. C# Program to find the sum of prime numbers in an array
50. C# Program to insert an element in an array
51. C# Program to delete an element in an array
52. C# Program to find saddle point in a matrix
53. C# Program to add two numbers using class and object
54. C# Program to check number is even or odd using class
55. C# Program to find factorial of a number using class and object
56. C# Program to reverse a number using class and object
57. C# Program to check a number is a palindrome or not using class
58. C# Program to check a number is Armstrong or not using class
59. C# Program to check a number is prime or not using class
60. C# Program using a static variable
61. C# Program using the static method
62. C# Program using static variables and methods
63. C# Program to add two numbers using the static method
64. C# Program using the default constructor
65. C# Program using parameterized constructor
66. C# Program using constructor overloading
67. C# Program to add two numbers using constructor overloading
68. C# Program using single level inheritance
69. C# Program to add three numbers using single level inheritance
70. C# Program to print student details using single inheritance
71. C# Program using multilevel inheritance
72. C# Program using hierarchical inheritance
73. C# Program to add two numbers using hierarchical inheritance
74. C# Program using aggregation
75. C# Program using method overriding
76. C# Program using protected keyword
77. C# Program using public private and protected
78. C# Program using abstract class and method