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1.
In ASP.NET, which of the following is not a component of a web form?
2.
Which of these is not true about the .NET framework:
- It provides a consistent object-oriented programming environment whether the object code is stored and executed locally yet web-distributed, or executed remotely.
- It provides a code-execution environment that minimizes software deployment and version conflicts.
- It provides a code-execution environment that promotes the safe execution of code, including the code created by an unknown or semi-trusted third party.
- It provides different programming models for Windows-based applications and web-based applications.
- It provides an event-driven programming model for building Windows Device Drivers.
3.
How is a jagged array declared in C#?
4.
What is the output of the following C# code:
using System;
class Program {
static void Main(string[] args) {
int[] a1 = {
1, 2, 3, 4
};
int[] a2 = (int[]) a1.Clone();
a2[1] = 5;
a2[2] = 6;
int[] a3 = new int[4];
Array.Copy(a2, a1, 3);
Console.WriteLine(a1[1]);
Console.Read();
}
}
using System;
class Program {
static void Main(string[] args) {
int[] a1 = {
1, 2, 3, 4
};
int[] a2 = (int[]) a1.Clone();
a2[1] = 5;
a2[2] = 6;
int[] a3 = new int[4];
Array.Copy(a2, a1, 3);
Console.WriteLine(a1[1]);
Console.Read();
}
}
5.
What is the output of the following C# code:
using System;
class Program {
static void Main() {
int n;
n = 4;
fun(n, 0, 1);
Console.Read();
}
static void fun(int n, int a, int b) {
if (n <= 0)
return;
Console.Write("{0} ", a);
fun(--n, b, 1 + a + b);
}
}
class Program {
static void Main() {
int n;
n = 4;
fun(n, 0, 1);
Console.Read();
}
static void fun(int n, int a, int b) {
if (n <= 0)
return;
Console.Write("{0} ", a);
fun(--n, b, 1 + a + b);
}
}
6.
What is the output of the following .NET code:
using System;
class Program {
static void Main(string[] args) {
string s1 = "Ind";
string s2 = s1.Insert(2, "i");
string s3 = s2.Insert(4, "o");
for (int i = 0; i < s3.Length; i++)
Console.Write(s3[i]);
}
}
using System;
class Program {
static void Main(string[] args) {
string s1 = "Ind";
string s2 = s1.Insert(2, "i");
string s3 = s2.Insert(4, "o");
for (int i = 0; i < s3.Length; i++)
Console.Write(s3[i]);
}
}
7.
What is the output of the following C# code:
using System;
class A {
int i;
int j;
public A() {
i = 1;
j = 2;
}
}
class Program {
static void Main(string[] args) {
A a = new A();
Console.WriteLine(a.ToString());
}
}
class A {
int i;
int j;
public A() {
i = 1;
j = 2;
}
}
class Program {
static void Main(string[] args) {
A a = new A();
Console.WriteLine(a.ToString());
}
}
8.
What is the output of the following C# code:
using System;
using System.Numerics;
class Sum {
public int r1;
public int r2;
public int add(int x1, int x2) {
r1 = x1 + x2;
r2 = r1 + x2;
return 0;
}
}
class Program {
static void Main(string[] args) {
Sum obj1 = new Sum();
Sum obj2 = new Sum();
int x1 = 2;
obj1.add(x1, x1 + 1);
obj2.add(5, x1);
Console.WriteLine(obj1.r1 + " " + obj2.r2);
Console.ReadLine();
}
}
using System;
using System.Numerics;
class Sum {
public int r1;
public int r2;
public int add(int x1, int x2) {
r1 = x1 + x2;
r2 = r1 + x2;
return 0;
}
}
class Program {
static void Main(string[] args) {
Sum obj1 = new Sum();
Sum obj2 = new Sum();
int x1 = 2;
obj1.add(x1, x1 + 1);
obj2.add(5, x1);
Console.WriteLine(obj1.r1 + " " + obj2.r2);
Console.ReadLine();
}
}
9.
What is the output of the following .NET code:
using System;
class MyClass {
public static int r1;
public static int r2;
public void update(int x1, int x2) {
r1 = x1 + x2;
r2 = r1 + x2;
}
}
class Program {
static void Main(string[] args) {
MyClass obj1 = new MyClass();
MyClass obj2 = new MyClass();
int x1 = 2;
obj1.update(x1, x1 + 1);
obj2.update(5, x1);
Console.WriteLine(MyClass.r1 + " " + MyClass.r2);
}
}
using System;
class MyClass {
public static int r1;
public static int r2;
public void update(int x1, int x2) {
r1 = x1 + x2;
r2 = r1 + x2;
}
}
class Program {
static void Main(string[] args) {
MyClass obj1 = new MyClass();
MyClass obj2 = new MyClass();
int x1 = 2;
obj1.update(x1, x1 + 1);
obj2.update(5, x1);
Console.WriteLine(MyClass.r1 + " " + MyClass.r2);
}
}
10.
What is the output of the following .NET code:
using System;
class UnsafeCode {
struct MyStruct {
public int x1;
public int x2;
public int Sum() {
return x1 * x2;
}
}
unsafe static void Main() {
MyStruct o = new MyStruct();
MyStruct * q;
q = & o;
q - > x1 = 10;
q - > x2 = 20;
Console.WriteLine("Value is " + q - > Sum());
}
}
using System;
class UnsafeCode {
struct MyStruct {
public int x1;
public int x2;
public int Sum() {
return x1 * x2;
}
}
unsafe static void Main() {
MyStruct o = new MyStruct();
MyStruct * q;
q = & o;
q - > x1 = 10;
q - > x2 = 20;
Console.WriteLine("Value is " + q - > Sum());
}
}