If the interface in C# only contains the declaration of the methods and we need to define those methods in the class, then Why we use the interface..???

TheOutlander

 Profile Answers by TheOutlander Questions by TheOutlander

• Jan 2nd, 2011

Interfaces define a contract. You should use it only if you want to support a group or related functionalities in a class or struct. Otherwise there is no need to use it. Think about cars - they have ...

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Write a function to print sum of the digits in a given integer n without converting it to String. For example : if n = 1234 the function should return 1+2+3+4 = 10 if n = 15 the function should return 1+5 =6 if n = 5 the function should return 5.

sravani reddy

• Sep 21st, 2017

Code
#include<stdio.h>
int main()
{
int rem,sum=0,n;
printf("enter the number:");
scanf("%d
",&n);
while(n!=0)
{
rem=n%10;
sum=sum+rem;
n=n/10;
}
printf("the sum of digits of a number is %d",sum);
return 0;
}

Shasan

• Mar 29th, 2016

"c# public static int Sum() { int n = 1235678; int n1 = 0; int f = 0; while (n!= 0) { ...

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C# does not support an explicit fall through for case blocks. The following code is not legal and will not compile in C#: switch(x){case 0:// do somethingcase 1:// do something in common with 0default:// do something in common with//0, 1 and everything elsebreak;}To achieve the same effect in C#, the code must be modified as shown below (notice how the control flows are explicit): class Test{public...

Sivavt

 Profile Answers by Sivavt Questions by Sivavt

• Apr 4th, 2012

Folks:

Empty cases allowed to fall through in C#.

TheOutlander

 Profile Answers by TheOutlander Questions by TheOutlander

• Aug 21st, 2010

Most of the other answers are right, but there is a caveat.Empty cases are allowed to fall through. However, the last case statement always needs a break - empty or not.

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