“C++” is a _____ constant A. character literal B. named literal C. numeric literal D. string literal

The correct answer is: D. string literal

A string literal is a sequence of characters enclosed in double quotes. It is a constant, which means its value cannot be changed.

A character literal is a single character enclosed in single quotes. It is also a constant.

A numeric literal is a number that is not enclosed in quotes. It can be an integer, a floating-point number, or a hexadecimal number. It is also a constant.

A named literal is a variable that is assigned a constant value. It is not a constant itself.

Here are some examples of string literals:

"Hello, world!"
"This is a string literal."

Here are some examples of character literals:

'a'
'b'
'c'

Here are some examples of numeric literals:

123
456.78
0x1234

Here are some examples of named literals:

my_name = "John Doe"
my_age = 30
my_height = 1.78