C#.NET

C#.NET

Question: Which type in C# is an alias for System.String?
A
String

B
str

C
string

D
character

Note: Not available
1. Report
Question: What is the size of a char in C#?
A
1 byte

B
2 bytes

C
4 bytes

D
8 bytes

Note: Not available
1. Report
Question: What value is returned by Convert.ToBoolean(0) in C#?
A
true

B
false

C
null

D
exception

Note: Not available
1. Report
Question: Which data type represents a 16-bit signed integer in C#?
A
byte

B
short

C
int

D
long

Note: Not available
1. Report
Question: Which of the following is NOT a value type?
A
int

B
struct

C
enum

D
string

Note: Not available
1. Report
Question: Which of the following is a valid way to declare an array in C#?
A
int[] arr = new int[5];

B
int arr = {5};

C
int arr = new int[5];

D
int[] arr = [5];

Note: Not available
1. Report
Question: Which of the following is a reference type?
A
struct

B
enum

C
class

D
int

Note: Not available
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Question: What is the default value of a decimal in C#?
A
0.0

B
0.0M

C
0

D
Null

Note: Not available
1. Report
Question: Which type represents an unsigned 32-bit integer in C#?
A
byte

B
ushort

C
uint

D
ulong

Note: Not available
1. Report
Question: What does float.NaN represent in C#?
A
Not an Integer

B
Null value

C
Infinity

D
Not a Number

Note: Not available
1. Report

Question: Which type in C# is an alias for System.String?