How to replace value in list at same collection location [duplicate]

This question already has answers here: How to replace list item in best way (12 answers) 开发者_Python百科 Closed 5 years ago.

How do I replace a value in a collection list at the same location?

0 = cat
1 = dog
2 = bird

replace 2 with snail?

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Do you mean:

yourCollection[2] = "Snail";

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In a bigger List<T> collection, you would like to find index to replace...with:

 var i = animals.FindIndex(x => x == "Dog");
 animals[i] = "Snail";

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List<string> animals = new List<string>();
animals.Add("cat");
animals.Add("dog");
animals.Add("bird");
animals.Add("fish");

animals.RemoveAt(2);
animals.Insert(2, "snail");