How do I handle exceptions in C# collections?
In C#, you can handle exceptions in collections using try-catch blocks. For example, when accessing an element, you can catch an IndexOutOfRangeException
.
Can you show me a code example?
Sure! Here's a simple example:
List<int> numbers = new List<int> { 1, 2, 3 };
try {
int number = numbers[5]; // This will throw an exception
} catch (ArgumentOutOfRangeException e) {
Console.WriteLine("Index is out of range: " + e.Message);
}
What other exceptions should I be aware of?
You should also consider handling InvalidOperationException
when modifying a collection while iterating over it, and KeyNotFoundException
when accessing a key in a dictionary that doesn't exist.
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