Check LeapYear

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hey i want to know how to check Leap Year when user enter a Year.
i have no idea about it which logic i will use to solve it. please help me.
Thanks in Advance :)

Posted 19-Oct-10 18:01pm

ShilpaKumari

Updated 19-Oct-10 18:02pm

v2

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2 solutions

Solution 1

The following method returns "true" if the given year is a leap year and "false" if not.

System.DateTime.IsLeapYear(here give year)

Hope this helps!

Added custom written logic:

C#

private bool IsLeapYear(int yearNumber)
{
  if ((yearNumber % 400) == 0)
    return true;
  else if ((yearNumber % 100) == 0)
    return false;
  else if ((yearNumber % 4) == 0)
    return true;
  else
    return false;
}

But you really should use the build in logic of the .Net Framework!!

Posted 19-Oct-10 18:06pm

JF2015

Updated 19-Oct-10 18:13pm

v4

Comments

ShilpaKumari 20-Oct-10 0:09am

Thanks for your answer but it is Predefined.
i am searching own logic by which i can find Leap Year

ShilpaKumari 20-Oct-10 0:16am

Thanks

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RaviRanjanKr · Accepted Answer · 2010-10-19T18:10:00

Solution 2

you can check leap year by using given logic.

MIDL

if((year % 4 ==0)&&(year % 100 != 0 || year % 400==0))
{
// yes year is leap year
}
else
{
//No year is not a Leap Year

}

Posted 19-Oct-10 18:10pm

RaviRanjanKr