How do I compare two lists in C#?

How do I compare two lists in C#?

You can compare two lists in C# using LINQ methods like SequenceEqual or by using loops. What specific comparison do you need?

I want to find the items that are in one list but not in the other.

You can use the Except method from LINQ. For example, list1.Except(list2) will give you items in list1 that are not in list2.

Can you show me a code example?

Sure! Here's a simple example:

List<int> list1 = new List<int> { 1, 2, 3, 4 };
List<int> list2 = new List<int> { 3, 4, 5, 6 };
var result = list1.Except(list2);
// result will contain 1 and 2

What if I want to compare lists of custom objects?

You can override the Equals and GetHashCode methods in your custom class, then use the same Except method.