in c# how do i add and then print the values in the following dictionary?
Dictionary<String, HashSet<String>> d
Hi,
Here in Dictionary<String, HashSet<String>> d, we have
string key and HashSet as the value stored with the key. In C#, we
can use the format specified below to add values in a
dictionary.
1. Adding values
I am using an example of dictionary variable d, which contains key
"Key 1" associated with HashSet values "Value 1", "Value
2" and key "Key 2" associated with HashSet values "Value
3", "Value 4".
Dictionary<String, HashSet<String>> d = new Dictionary<String, HashSet<String>>(); // Declaration and initialization of // dictionary variable d
d.Add("Key 1", new HashSet<string> { "Value 1", "Value 2"
}); // Here key is "Key 1" and HashSet contains // values "Value
1"and "Value 2"
d.Add("Key 2", new HashSet<string> { "Value 3", "Value 4" });
// Here key is "Key 2" and HashSet contains // values
"Value 3" and "Value 4"
2. Printing Values
We can use the
following code to access and print each key and value in this
dictionary.
foreach(var key_variable in d.Keys) // Loop to get each key in
dictionary
{
Console.WriteLine(key_variable.ToString()); // Printing key on
console
foreach (var value in d[""+ key_variable]) // Loop to get each
value in HashSet stored with the key
{
Console.WriteLine(value.ToString()); // Printing value in HashSet
on console
}
}
You can use Messageboxes also to display the values.
I have pasted the console output of the above example in
code.
That's all for now.
Please mention any queries or doubts in the comments section.
Thank You.
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