Easy way to Print Values of a dictionary?

Question

I have the below code:

static void Main(string[] args) { // Add 5 Employees to a Dictionary. var Employees = new Dictionary<int, Employee>(); Employees.Add(1, new Employee(1, "John")); Employees.Add(2, new Employee(2, "Henry")); Employees.Add(3, new Employee(3, "Jason")); Employees.Add(4, new Employee(4, "Ron")); Employees.Add(5, new Employee(5, "Yan")); }

Is there an easy way to print the values of the dictionaries in an easy way like in Java? For example, I want to be able to print something like:

Employee with key 1: Id=1, Name= John

Employee with key 2: Id=2, Name= Henry

.. etc..

Thank you.

Sorry, am used to Java!

Well sure, you can loop over them easily, printing each entry. What have you tried, and what happened? If you don't want to put the loop more than once, you can write a method to do that... — Jon Skeet
– Jon Skeet, Commented Nov 5, 2016 at 18:21
Yes, I got it to work. Thanks to all. Sorry about the java tag, was a mistake! — user127815
– user127815, Commented Nov 5, 2016 at 20:25

oo_dev · Accepted Answer · 2021-11-27 12:02:55Z

Try using the foreach:

foreach (var res in Employees) { Console.WriteLine("Employee with key {0}: ID = {1}, Name = {2}", res.Key, res.Value.Id, res.Value.Name); }

or, simply using LINQ:

var output = String.Join(", ", Employees.Select(res => "Employee with key " + res.Key + ": ID = " + res.Value.Id + ", Name = " + res.Value.Name));

MacakM · Accepted Answer · 2016-11-05 18:23:51Z

You can use foreach statement:

foreach(var pair in Employees) { Console.WriteLine($"Employee with key {pair.Key}: Id={pair.Value.Id} Name={pair.Value.Name}"); }

Tinwor · Accepted Answer · 2016-11-05 18:24:34Z

You can use the foreach loop to print all the value inside the Dictionary.

foreach(var employe in Employees) { Console.WriteLine(string.Format("Employee with key {0}: Id={1}, Name= {2}",employe.Key, employe.Value.Id, employe.Value.Name )); }

ItamarG3 · Accepted Answer · 2016-11-05 18:22:21Z

You can define an IDictionary reference, and make it point to a Dictionary object

IDictionary<int, Employee> employees = new Dictionary<int,Employee>(); employees.Add(1, new Employee(1, "John")); //add the rest of the employees

to loop through the dictionary, you can use

foreach(KeyValuePair<int, Employee> entry in employees) { Console.WriteLine("Employee with key "+entry.Key+": Id="+entry.Value.GetId()+", Name= "+entry.Value.GetName()); }

This is similar to Java's HashMap<>.

Raktim Biswas · Accepted Answer · 2016-11-05 18:46:37Z

var items = Employees.Select(kvp => string.Format("Employee with key {0} : Id={1}, Name={2}", kvp.Key, kvp.Value.Id, kvp.Value.Name); var text = string.Join(Environment.NewLine, items);

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