merge two dictionaries using concat in csharp

In C#, you can use the Concat() method from LINQ to merge two dictionaries. Here's an example:


main.cs
using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        Dictionary<string, int> dict1 = new Dictionary<string, int> {{"apple", 1}, {"banana", 2}};
        Dictionary<string, int> dict2 = new Dictionary<string, int> {{"cherry", 3}, {"orange", 4}};

        var mergedDict = dict1.Concat(dict2);

        foreach (var item in mergedDict)
        {
            Console.WriteLine($"Key: {item.Key}, Value: {item.Value}");
        }
    }
}
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In the above code, we have two dictionaries dict1 and dict2. We use the Concat() method from LINQ to concatenate both dictionaries. The resulting mergedDict is an IEnumerable<KeyValuePair<string, int>>. We can iterate over mergedDict using a foreach loop and print the key-value pairs.

Output:


main.cs
Key: apple, Value: 1
Key: banana, Value: 2
Key: cherry, Value: 3
Key: orange, Value: 4
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