Question

Which of the following is not a data type ?
Option
1) boolean
2) character
3) int
4) arr

Answer 1

Option 4) arr is not a data type.

• Option 1) boolean is a data type or a primitive data type and it has only two values, one is the 'true'  condition and the other is the false condition and it is used in the representation of Boolean algebra and the logics of the truth table.

• Option 2) character is a data type or a primitive data type and it is represented as char and it is used to store any single character of any string.
• Option 3) int is a data type or a primitive data type and it is used as an integer data type that stores whole numbers that can be zero, negative, or positive and not a fraction.
• Option 4) arr is not any kind of data type, it is a variable that is generally used to represent an array.

Answer 2

arr is not a data type.

• Boolean is a data type that is used to declare a statement either true or false.
• Character is a data type that is used to declare alphabets in both uppercase and lowercase.
• Int is a data type that is used to declare integers. It cannot accept decimal values.
• The keyword "arr" is used to declare an array.
• An array is a set of values.