Welcome to the LINQ MCQs Page
Dive deep into the fascinating world of LINQ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of LINQ, a crucial aspect of C# programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of LINQ, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C# programming.
Check out the MCQs below to embark on an enriching journey through LINQ. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of LINQ. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
LINQ MCQs | Page 2 of 2
Explore more Topics under C# programming
class Program
{
static void Main(string[] args)
{
string[] strs = {"alpha", "beta", "gamma"};
var chrs = from str in strs
let chrArray = str.ToCharArray()
from ch in chrArray
orderby ch
select ch;
Console.WriteLine("The individual characters in sorted order:");
foreach (char c in chrs)
Console.Write(c + " ");
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();
}
}class Program
{
static void Main(string[] args)
{
int[] nums = {3, 1, 2, 5, 4};
var ltAvg = from n in nums
let x = nums.Average()
where n < x
select n;
Console.WriteLine("The average is " + nums.Average());
Console.ReadLine();
}
}class Program
{
static void Main(string[] args)
{
Expression<Func<int, int, bool>>
IsFactorExp = (n, d) => (d != 0) ? (n % d) == 0 : false;
Func<int, int, bool> IsFactor = IsFactorExp.Compile();
if (IsFactor(10, 5))
Console.WriteLine("5 is a factor of 10.");
if (!IsFactor(343, 7))
Console.WriteLine("7 is not a factor of 10.");
Console.ReadLine();
}
}class Program
{
static void Main(string[] args)
{
int[] nums = { 1, -2, 3, 0, -4, 5 };
int len = /*_________________ */
Console.WriteLine("The number of positive values in nums: " + len);
Console.ReadLine();
}
}select n).Count();
class Program
{
static void Main(string[] args)
{
int[] nums = { 1, -2, 3, 0, -4, 5 };
var posNums = from n in nums
where n > 0
select n;
int len = posNums.Count();
Console.WriteLine(len);
Console.ReadLine();
}
}class Program
{
static void Main(string[] args)
{
int[] nums = { 1, -2, 3, 0, -4, 5 };
var posNums = nums.Where(n => n < 10).Select(r => r%3);
Console.Write("The values in nums: ");
foreach (int i in posNums) Console.Write(i + " ");
Console.WriteLine();
Console.ReadLine();
}
}class Program
{
static void Main(string[] args)
{
string[] strs = { ".com", ".net", "facebook.com", "google.net", "test", "netflix.net", "hsNameD.com" };
var netAddrs = from addr in strs
where addr.Length > 4 && addr.EndsWith(".net",
StringComparison.Ordinal)
select addr;
foreach (var str in netAddrs) Console.WriteLine(str);
Console.ReadLine();
}
}netflix.net
class Program
{
static void Main(string[] args)
{
int[] nums = { 1, -2, -3, 5 };
var posNums = from n in nums
orderby n descending
select n*4 / 2;
Console.Write("The values in nums: ");
foreach (int i in posNums) Console.Write(i + " ");
Console.WriteLine();
Console.ReadLine();
}
}Suggested Topics
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Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
