Datatype, C#.NET

Datatype

Question: Which data type would you use to store a single Unicode character in C#?
A
string

B
char

C
byte

D
int

Note: Not available
1. Report
Question: Which keyword is used to declare a variable whose value can only be assigned in the constructor?
A
const

B
static

C
readonly

D
final

Note: Not available
1. Report
Question: What is the purpose of the readonly keyword in C#?
A
To make a variable accessible only in read mode

B
To prevent modifying the variable after initialization

C
To make the variable accessible in all derived classes

D
To declare a variable as a constant

Note: Not available
1. Report
Question: Which data type is used for financial calculations requiring high precision?
A
float

B
double

C
decimal

D
int

Note: Not available
1. Report
Question: What will happen if you try to assign a float to an int without casting?
A
The value will be implicitly cast

B
A compilation error will occur

C
The value will be rounded to the nearest integer

D
The decimal part will be ignored

Note: Not available
1. Report
Question: Which of the following is the default value of a string variable in C#?
A
""

B
null

C
"default"

D
"null"

Note: Not available
1. Report
Question: What is the maximum value of an int in C#?
A
32767

B
2147483647

C
9223372036854775807

D
1000000000

Note: Not available
1. Report
Question: Which type is used to represent 64-bit signed integers in C#?
A
int

B
long

C
byte

D
short

Note: Not available
1. Report
Question: What is the default value of a float variable in C#?
A
0

B
0.0

C
Null

D
1.0

Note: Not available
1. Report
Question: Which data type represents a single precision floating-point number in C#?
A
double

B
float

C
decimal

D
int

Note: Not available
1. Report

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Question: Which data type would you use to store a single Unicode character in C#?

Question: Which keyword is used to declare a variable whose value can only be assigned in the constructor?

Question: What is the purpose of the readonly keyword in C#?

Question: Which data type is used for financial calculations requiring high precision?

Question: What will happen if you try to assign a float to an int without casting?

Question: Which of the following is the default value of a string variable in C#?

Question: What is the maximum value of an int in C#?

Question: Which type is used to represent 64-bit signed integers in C#?

Question: What is the default value of a float variable in C#?

Question: Which data type represents a single precision floating-point number in C#?