61. What does preprocessor directive #if and #endif explains?
62. Which string operation does the below-mentioned method define?
public static string Concat(string str0, string str1)
public static string Concat(string str0, string str1)63. Among the given collections which one is I/O index based?
64. Choose the class from which the namespace 'System.Type' is derived?
65. What will be the output of the following C# code snippet?
class UnsafeCode
{
struct MyStruct
{
public int a;
public int b;
public int Sum()
{
return a / b;
}
}
unsafe static void Main()
{
MyStruct o = new MyStruct();
MyStruct* p;
p = &o;
p->a = 60;
p->b = 15;
int c = 30;
Console.WriteLine("Value is : " + p->Sum()*c);
Console.ReadLine();
}
}
class UnsafeCode
{
struct MyStruct
{
public int a;
public int b;
public int Sum()
{
return a / b;
}
}
unsafe static void Main()
{
MyStruct o = new MyStruct();
MyStruct* p;
p = &o;
p->a = 60;
p->b = 15;
int c = 30;
Console.WriteLine("Value is : " + p->Sum()*c);
Console.ReadLine();
}
}66. What does the following C# code set specify?
public static int Compare(string strA, int indexA, string strB, int indexB, int length, bool ignoreCase)
public static int Compare(string strA, int indexA, string strB, int indexB, int length, bool ignoreCase)67. Which of these is used as default for a member of a class if no access specifier is used for it?
68. What is the process by which we can control what parts of a program can access the members of a class?
69. What will be the output of the following C# code snippet?
static void Main(string[] args)
{
string s1 = "olleH";
string s2 = "olleh";
if (s1 == s2)
Console.WriteLine("Equal");
else
Console.WriteLine("Unequal");
if (s1.Equals(s2))
Console.WriteLine("Equal");
else
Console.WriteLine("Unequal");
Console.ReadLine();
}
static void Main(string[] args)
{
string s1 = "olleH";
string s2 = "olleh";
if (s1 == s2)
Console.WriteLine("Equal");
else
Console.WriteLine("Unequal");
if (s1.Equals(s2))
Console.WriteLine("Equal");
else
Console.WriteLine("Unequal");
Console.ReadLine();
}70. What kind of exception is being thrown if Wait(), Pulse() or PulseAll() is called from code that is not within synchronized code?
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