C# Sharp Function : Exercises, Practice, Solution
C# Sharp Function [12 exercises with solution]
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1. Write a program in C# Sharp to create a user defined function.  
   Expected Output : 
Welcome Friends! 
Have a nice day!
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2. Write a program in C# Sharp to create a user defined function with parameters.
   Test Data : 
Please input a name : John 
Expected Output : 
Welcome friend John ! 
Have a nice day!
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3. Write a program in C# Sharp to create a function for the sum of two numbers.
   Test Data : 
Enter a number: 15 
Enter another number: 16 
Expected Output : 
The sum of two numbers is : 31
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4. Write a program in C# Sharp to create a function to input a string and count the number of spaces within the string.
     Test Data : 
Please input a string : This is a test string. 
Expected Output : 
"This is a test string." contains 4 spaces
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5. Write a program in C# Sharp to calculate the sum of elements in an array.
   Test Data : 
Input 5 elements in the array : 
element - 0 : 5 
element - 1 : 7 
element - 2 : 3 
element - 3 : 2 
element - 4 : 9 
Expected Output : 
The sum of the elements of the array is 26
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6. Write a program in C# Sharp to create a function to swap two integer numbers.
   Test Data : 
Enter a number: 5 
Enter another number: 6 
Expected Output : 
Now the 1st number is : 6 , and the 2nd number is : 5
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7. Write a program in C# Sharp to create a function to calculate the result of raising an integer number to another.
   Test Data : 
Input Base number: 3 
Input the Exponent : 2 
Expected Output : 
So, the number 3 ^ (to the power) 2 = 9
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8. Write a program in C# Sharp to create a function to display the n number Fibonacci sequence.
   Test Data : 
Input number of Fibonacci Series : 5 
Expected Output : 
The Fibonacci series of 5 numbers is : 
0  1  1  2  3
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9. Write a program in C# Sharp to create a function to check whether a number is prime or not.
   Test Data : 
Input a number : 31 
Expected Output : 
31 is a prime number
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10. Write a program in C# Sharp to create a function to calculate the sum of the individual digits of a given number.
   Test Data : 
Enter a number: 1234 
Expected Output : 
The sum of the digits of the number 1234 is : 10
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11. Write a program in C# Sharp to create a recursive function to find the factorial of a given number.
   Test Data : 
Enter a number: 5 
Expected Output : 
The factorial of 5! is  120 
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12. Write a program in C# Sharp to create a recursive function to calculate the Fibonacci number of a specific term.
   Test Data : 
Enter a number: 10 
Expected Output : 
The Fibonacci of 10 th term  is 55 
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C# Sharp Code Editor:
 
  
More to Come !
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