DateTime

Question 1

How to create date time?

Answer 1

var dateTime = new DateTime()

Question 2

How to get current date and time?

Answer 2

DateTime.Now;

Now is a static property

Question 3

How to get todays? date?

Answer 3

DateTime.Today;

Question 4

Tell about a few Date Time methods?

Answer 4

now.AddHout()

Methods starts with Add

DateTime objects are immutable

Question 5

How to convert date and time to string?

Answer 5

now. toLongDateString()
now. toShortDateString()
now. toLongTImeString()
now. toShortTimeString()
now. ToString()

ToSTring also takes format specifiers

Question 6

How to create TImeSpan object?

Answer 6

var timeSpan = new TimeSpan()

timeSpan.FromHours(1)

Question 7

How to convert TimeSpan to string>

Answer 7

TimeSpan.ToString

Question 8

How to convert string to timeSpan.

Answer 8

TimeSpan.Parse()

Question 9

What will be the output of this program?

var dateTime = new DateTime(2015, 1, 1);

dateTime.AddYears(1);

Console.WriteLine(dateTime.Year);

Answer 9

2015

Is it not 2016 because DateTime objects are immutable, which means once they’re set, they cannot be changed. Here, AddYears() method returns a new DateTime object but we’re not storing it in any variables

Question 10

How can we get the current year?

Answer 10

DateTime.Now returns a DateTime object that represents the current date/time. This object has a Year property that we can access to get the current year.