Aggregation
Aggregate, Average, Count, LongCount, Max, Min, Sum
Conversion
AsEnumerable, Cast, OfType, ToArray, ToDictionary, ToList, ToLookup
Element
ElementAt, ElementAtOrDefault, First, FirstOrDefault, Last, LastOrDefault, Single, SingleOrDefault
ElementAt
ElementAtOrDefault
First (simple)
First (conditional)
FirstOrDefault
Last
LastOrDefault (simple)
LastOrDefault (conditional)
Single
SingleOrDefault
Generation
DefaultIfEmpty, Empty, Range, Repeat
Grouping
GroupBy
Join
GroupJoin, Join
Ordering
OrderBy, OrderByDescending, Reverse, ThenBy, ThenByDescending
OrderBy (simple - numbers)
OrderBy (simple - dates)
OrderBy (simple - objects)
OrderByDescending
Reverse
ThenBy
ThenByDescending
Other
Concat, SequenceEqual, Zip
Partitioning
Skip, SkipWhile, Take, TakeWhile
Projection
Select, SelectMany
Quantifiers
All, Any, Contains
Restriction
Where
Set
Distinct, Except, Intersect, Union
Close
Union: Combines two collections and removes duplicate elements.
| Union: Combines two collections and removes duplicate elements. |
| Union: Combines two collections and removes duplicate elements. |
| This Lambda Expression sample removes any duplicate values between the two arrays. |
| This Lambda Expression sample removes any duplicate values between the two arrays. |
static void Sample_Union_Linq()
{
int[] numbers1 = { 1, 2, 3 };
int[] numbers2 = { 3, 4, 5 };
var result = (from n in numbers1.Union(numbers2)
select n);
Debug.WriteLine("Union creates a single sequence and eliminates the duplicates:");
foreach (int number in result)
Debug.WriteLine(number);
}
Output: Union creates a single sequence and eliminates the duplicates: 1 2 3 4 5
Private Shared Sub Sample_Union_Lambda()
Dim numbers1 As Integer() = {1, 2, 3}
Dim numbers2 As Integer() = {3, 4, 5}
Dim result = From n In numbers1.Union(numbers2)
Select n
Debug.WriteLine("Union creates a single sequence and eliminates the duplicates:")
For Each number As Integer In result
Debug.WriteLine(number)
Next
End Sub
Output: Union creates a single sequence and eliminates the duplicates: 1 2 3 4 5
let Sample_Union_Linq() =
let numbers1 = [| 1; 2; 3 |]
let numbers2 = [| 3; 4; 5 |]
let result = query {
for n in numbers1.Union(numbers2) do
select n
}
Debug.WriteLine(sprintf "Union creates a single sequence and eliminates the duplicates:")
for number in result do
Debug.WriteLine(sprintf "%d" number)
Output: Union creates a single sequence and eliminates the duplicates: 1 2 3 4 5
static void Sample_Union_Lambda()
{
int[] numbers1 = { 1, 2, 3 };
int[] numbers2 = { 3, 4, 5 };
var result = numbers1.Union(numbers2);
Debug.WriteLine("Union creates a single sequence and eliminates the duplicates:");
foreach (int number in result)
Debug.WriteLine(number);
}
Output: Union creates a single sequence and eliminates the duplicates: 1 2 3 4 5
Private Shared Sub Sample_Union_Lambda()
Dim numbers1 As Integer() = {1, 2, 3}
Dim numbers2 As Integer() = {3, 4, 5}
Dim result = numbers1.Union(numbers2)
Debug.WriteLine("Union creates a single sequence and eliminates the duplicates:")
For Each number As Integer In result
Debug.WriteLine(number)
Next
End Sub
Output: Union creates a single sequence and eliminates the duplicates: 1 2 3 4 5
let Sample_Union_Lambda() =
let numbers1 = [| 1; 2; 3 |]
let numbers2 = [| 3; 4; 5 |]
let result = numbers1.Union(numbers2)
Debug.WriteLine(sprintf "Union creates a single sequence and eliminates the duplicates:")
for number in result do
Debug.WriteLine(sprintf "%d" number)
Output: Union creates a single sequence and eliminates the duplicates: 1 2 3 4 5