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How to compare two dictionaries in C#?
To compare two dictionaries, firstly set the two dictionaries −
Dictionary One
IDictionary<int, int> d = new Dictionary<int, int>();
d.Add(1,97);
d.Add(2,89);
d.Add(3,77);
d.Add(4,88);
// Dictionary One elements
Console.WriteLine("Dictionary One elements: "+d.Count);Dictionary One
IDictionary<int, int> d2 = new Dictionary<int, int>();
d2.Add(1,97);
d2.Add(2,89);
d2.Add(3,77);
d2.Add(4,88);
// Dictionary Two elements
Console.WriteLine("Dictionary Two elements: "+d2.Count);Now let us compare them −
bool equal = false;
if (d.Count == d2.Count) { // Require equal count.
equal = true;
foreach (var pair in d) {
int value;
if (d2.TryGetValue(pair.Key, out value)) {
if (value != pair.Value) {
equal = false;
break;
}
} else {
equal = false;
break;
}
}
}The above compares two dictionaries. Now print console and the result would be True. That would mean both the dictionaries have the same values.
Updated on: 21-Jun-2020
3K+ Views
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