11. Which keyword is used for using the synchronization features defined by the Monitor class?
12. What will be the output of the following C# code snippet?
class UnsafeCode
{
unsafe static void Main()
{
int[] nums = new int[10];
fixed (int* p = &nums[0], p2 = nums)
{
if (p == p2)
Console.WriteLine("p and p2 point to same address.");
Console.ReadLine();
}
}
}
class UnsafeCode
{
unsafe static void Main()
{
int[] nums = new int[10];
fixed (int* p = &nums[0], p2 = nums)
{
if (p == p2)
Console.WriteLine("p and p2 point to same address.");
Console.ReadLine();
}
}
}
13. Which among the following is the correct way to access all the elements of the Stack collection created using the C#.NET code snippet given below?
Stack st = new Stack();
st.Push(10);
st.Push(20);
st.Push(-5);
st.Push(30);
st.Push(6);
Stack st = new Stack();
st.Push(10);
st.Push(20);
st.Push(-5);
st.Push(30);
st.Push(6);
14. What will be the output of the following C# code snippet?
class UnsafeCode
{
static void Main()
{
int count = 100;
int? result = null;
int incr = 10;
result = count + incr;
if (result.HasValue)
Console.WriteLine("result has this value: " + result.Value);
else
Console.WriteLine("result has no value");
Console.ReadLine();
}
}
class UnsafeCode
{
static void Main()
{
int count = 100;
int? result = null;
int incr = 10;
result = count + incr;
if (result.HasValue)
Console.WriteLine("result has this value: " + result.Value);
else
Console.WriteLine("result has no value");
Console.ReadLine();
}
}
15. What will be the output of the following C# code snippet?
class Program
{
static void Main(string[] args)
{
int[] nums = { 1 };
var posNums = from n in nums
select Math.Pow(4 ,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)
{
int[] nums = { 1 };
var posNums = from n in nums
select Math.Pow(4 ,3);
Console.Write("The values in nums: ");
foreach (int i in posNums)
Console.Write(i + " ");
Console.WriteLine();
Console.ReadLine();
}
}
16. What will be the output of the following C# code snippet?
class access
{
public int x;
private int y;
public void cal(int a, int b)
{
x = a + 1;
y = b;
}
}
class Program
{
static void Main(string[] args)
{
access obj = new access();
obj.cal(2, 3);
Console.WriteLine(obj.x + " " + obj.y);
}
}
class access
{
public int x;
private int y;
public void cal(int a, int b)
{
x = a + 1;
y = b;
}
}
class Program
{
static void Main(string[] args)
{
access obj = new access();
obj.cal(2, 3);
Console.WriteLine(obj.x + " " + obj.y);
}
}
17. What will be the output of the following C# code snippet?
class UnsafeCode
{
unsafe static void Main()
{
char[] arr = { 'A', 'B', 'C', 'D', 'E' };
fixed (char* P = arr)
{
int i;
for (i = 0 ;i < 5 ;i++)
if (*P % 2 == 0)
++*P;
else
(*P)++;
Console.WriteLine(arr);
}
Console.ReadLine();
}
}
class UnsafeCode
{
unsafe static void Main()
{
char[] arr = { 'A', 'B', 'C', 'D', 'E' };
fixed (char* P = arr)
{
int i;
for (i = 0 ;i < 5 ;i++)
if (*P % 2 == 0)
++*P;
else
(*P)++;
Console.WriteLine(arr);
}
Console.ReadLine();
}
}
18. Which of these method of class String is used to obtain length of String object?
19. What will be the output of the following C# code snippet?
class Program
{
static void Main(string[] args)
{
String s1 = "Hello i love Csharp";
StringBuilder s2 = new StringBuilder(s1);
Console.WriteLine(s1.Equals(s2));
Console.ReadLine();
}
}
class Program
{
static void Main(string[] args)
{
String s1 = "Hello i love Csharp";
StringBuilder s2 = new StringBuilder(s1);
Console.WriteLine(s1.Equals(s2));
Console.ReadLine();
}
}
20. A HashTable t maintains a collection of names of states and capital city of each state. Which among the following finds out whether "New delhi" state is present in the collection or not?
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