What will be the output of the following C# code snippet?
class Program
{
static void Main(string[] args)
{
int[] nums = { 1, -2, 3, 0, -4, 5 };
var posNums = nums.Where(n => n > 0).Select(r => r*2).
OrderByDescending(r=>r);
Console.Write("The positive values in nums: ");
foreach(int i in posNums)
Console.Write(i + " ");
Console.WriteLine();
Console.ReadLine();
}
}
class Program
{
static void Main(string[] args)
{
int[] nums = { 1, -2, 3, 0, -4, 5 };
var posNums = nums.Where(n => n > 0).Select(r => r*2).
OrderByDescending(r=>r);
Console.Write("The positive values in nums: ");
foreach(int i in posNums)
Console.Write(i + " ");
Console.WriteLine();
Console.ReadLine();
}
}A. code run successfully prints nothing
B. run time error
C. code run successfully prints multiple of 2
D. compile time error
Answer: Option C
This Question Belongs to C Sharp Programming >> LINQ (Language Integrated Query) In C Sharp
What does LINQ stand for in C#?
A. Lightweight Query
B. Linked Query
C. Language-Integrated Query
D. Loaded Query
Which namespace in C# provides the LINQ extension methods?
A. System.Query
B. System.Linq
C. System.Data
D. None of the above
What is the purpose of the Select operator in LINQ?
A. Groups the elements of a sequence
B. Orders the elements of a sequence
C. Projects each element of a sequence
D. Filters a sequence based on a predicate
In LINQ, what is the purpose of the Where operator?
A. Projects each element of a sequence
B. Orders the elements of a sequence
C. Groups the elements of a sequence
D. Filters a sequence based on a predicate
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