How to make a list of string pairs ?

Question

I want to list some string pairs.
The are not key / value pairs but two strings that belong together
I have lots of those pairs and want to put them in a list.

I need to loop through the list.
And be able to print either on of them or both.

How to do that ?
In my opnion it is not a dictionairy, because the key is not unique.
and
a list <string,string> is not allowed.
https://code.sololearn.com/cA16a1a81a3A/?ref=app

Answer 1

sneeze I've cleaned up my code a little. It was after 3am EDT when I wrote it and I later realized I didn't save my last set of changes before crashing for the night.

Here's the simple versions to review. Let me know which you prefer and why.

var array2d = new string[,]
{ {"a", "b"},
{"c", "d"} };

var jaggedArray = new string[][]
{
new string[] {"c", "z"},

new string[] {"z", "b"} };

var listofArrays = new List<string[]>
{ new[] {"c", "d"}, new[] {"c", "z"} };

var nestedLists = new List<List<string>>
{ new List<string> {"a", "b"},

new List<string> {"a", "x"} };

var listOfTuples =
new List<(string s1, string s2)>
{ (s1: "a", s2: "b"), (s1: "z", s2: "b") };

You can review how I enumerate these in the Print extension methods found in the code. These do require very different approaches. So you may want to review those methods.

https://code.sololearn.com/cZudM0s2KIbK/?ref=app

Answer 2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
var myList = new List<Tuple<string, string>>();

myList.Add(Tuple.Create("a", "b"));
myList.Add(Tuple.Create("c", "d"));

}
}
}

// something like above works.
Note you can also dictionary to achieve what you wanted.

ALSO, there is a typo in your code - myList

src:- https://stackoverflow.com/questions/7095820/what-is-the-best-way-to-store-pairs-of-strings-make-an-object-or-use-a-class-in

Answer 3

sneeze Here are a handful of ways to do what you want.

https://code.sololearn.com/cZudM0s2KIbK/?ref=app

Answer 4

rkk How do you print the elements of the tuple?

Answer 5

// [CODE: To print tuple]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
var myList = new List<Tuple<string, string>>();

myList.Add(Tuple.Create("a", "b"));
myList.Add(Tuple.Create("c", "d"));

foreach (var tuple in myList)
{
Console.WriteLine("{0}, {1}", tuple.Item1, tuple.Item2);
}

}
}
}