11. Name a method which has the same name as that of class and which is used to destroy objects also called automatically when application is finally on process of being getting terminated.
12. Which statements are correct about operator overloading?
13. Choose the wrong statement from the given set of statements?
14. What will be the output of the following C# code?
interface calc
{
void cal(int i);
}
public class maths :calc
{
public int x;
public void cal(int i)
{
x = i * i;
}
}
class Program
{
public static void Main(string[] args)
{
display arr = new display();
arr.x = 0;
arr.cal(2);
Console.WriteLine(arr.x);
Console.ReadLine();
}
}
interface calc
{
void cal(int i);
}
public class maths :calc
{
public int x;
public void cal(int i)
{
x = i * i;
}
}
class Program
{
public static void Main(string[] args)
{
display arr = new display();
arr.x = 0;
arr.cal(2);
Console.WriteLine(arr.x);
Console.ReadLine();
}
}15. What will be the output of the following C# code?
enum color:int
{
red,
green,
blue = 5,
cyan,
pink = 10,
brown
}
console.writeline((int)color.green);
console.writeline((int)color.brown);
enum color:int
{
red,
green,
blue = 5,
cyan,
pink = 10,
brown
}
console.writeline((int)color.green);
console.writeline((int)color.brown);16. What will be the output of the following C# code?
class maths
{
int i;
public maths(int ii)
{
ii = -25;
int g;
g = ii > 0 ? ii : ii * -1;
Console.WriteLine(g);
}
}
class maths1 :maths
{
public maths1(int ll) :base(ll)
{
ll = -1000;
Console.WriteLine((ll > 0 ? ll : ll * -1));
}
}
class Program
{
static void Main(string[] args)
{
maths1 p = new maths1(6);
Console.ReadLine();
}
}
class maths
{
int i;
public maths(int ii)
{
ii = -25;
int g;
g = ii > 0 ? ii : ii * -1;
Console.WriteLine(g);
}
}
class maths1 :maths
{
public maths1(int ll) :base(ll)
{
ll = -1000;
Console.WriteLine((ll > 0 ? ll : ll * -1));
}
}
class Program
{
static void Main(string[] args)
{
maths1 p = new maths1(6);
Console.ReadLine();
}
}17. Operators that can be overloaded are?
18. Which of the following cannot be used to declare a class as a virtual?
19. What will be the output of the following C# code?
class maths
{
public static void fun1()
{
Console.WriteLine("method 1 :");
}
public void fun2()
{
fun1();
Console.WriteLine("method 2 :");
}
public void fun2(int k)
{
Console.WriteLine(k);
fun2();
}
}
class Program
{
static void Main(string[] args)
{
maths obj = new maths();
maths.fun1();
obj.fun2(20);
Console.ReadLine();
}
}
class maths
{
public static void fun1()
{
Console.WriteLine("method 1 :");
}
public void fun2()
{
fun1();
Console.WriteLine("method 2 :");
}
public void fun2(int k)
{
Console.WriteLine(k);
fun2();
}
}
class Program
{
static void Main(string[] args)
{
maths obj = new maths();
maths.fun1();
obj.fun2(20);
Console.ReadLine();
}
}20. What will be the output of the following C# code?
static void Main(string[] args)
{
int a = 10 , b = 20;
Console.WriteLine("Result before swap is: "+ a +" "+b);
swap(ref a, ref b);
Console.ReadLine();
}
static void swap(ref int i, ref int j)
{
int t;
t = i;
i = j;
j = t;
Console.WriteLine("Result after swap is:"+ i +" "+j);
}
static void Main(string[] args)
{
int a = 10 , b = 20;
Console.WriteLine("Result before swap is: "+ a +" "+b);
swap(ref a, ref b);
Console.ReadLine();
}
static void swap(ref int i, ref int j)
{
int t;
t = i;
i = j;
j = t;
Console.WriteLine("Result after swap is:"+ i +" "+j);
}Read More Section(Classes and Objects in C Sharp)
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