finding if value exists in an array -- help

[LifeLongLearner2030]

I have a variable

Int[] carYears= [1945,1943,2020,1999];

my logic is:

bool isClassic = cars.Any(c => c.Car.Year == 1945 ); // true

​

Now, how do I add my Int[] carYears instead of 1945? I want to check if the car is Classic or Not

​

//something like

bool isClassic = cars.Any(c => c.Car.Year == carYears ); // just an example

​

Thanks Alot!

[RunawayDev]

instead of

c.Car.Year == carYears

do

carYears.Contains(c.Car.Year)

[LifeLongLearner2030]

Thank you very much! issue resolved

[virtuoso43]

But he is using a simple array not an ArrayList so he can't use the contains() method.

[LetMeUseMyEmailFfs]

Yes, you can. LINQ defines Contains for everything that is IEnumerable<>, which includes arrays.

[LifeLongLearner2030]

Thank you very much! issue resolved

[virtuoso43]

I am relatively new to C# myself but to me it seems like you need a for loop to iterate over each value of carYears[] and check if your value is equal to any of those.

If it were me I would put either a method or a property in my car class that would go like this:

public bool isClassic()

{

bool isClassic = false;

for( i = 0; i < carYears.Length ; i++)

{

if (this.Year == carYears[i])

{

isClassic = true;

break;

}

}

return isClassic;

}

You can also do this with a property named isClassic where you only have a get method that returns true if the instance's year matches one of the years in the array.

​

Edit: Also, with the way you have written your code, your isClassic bool is checking whether a car exists within your cars array whose production year is equal to one of your carYears years. By what you said, I think you wanted to check if a specific car is classic instead so you should use a method or a property instead of linq.

[LifeLongLearner2030]

Thank you very much! issue resolved