A. Float
B. Real
C. Int
D. double
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Answer: B. Real
Explanation: “Real” is not a correct variable type.
There are 6 different variable types in Java:
1. Primitive data types: These are 8 basic data types supported by Java: Boolean, Character, Byte, Short, Integer, Long, Float and Double.
2. Reference data types : Reference data types are objects and they are used to refer the objects of value types.
3. Array : Array is used to store multiple values.
4. Enumeration : Enumeration is the data type used to store a collection of constant values.
5. Class : A class is the type used to define a new data type.
6. Interface : Interface is just like a class but it is used to define only the method signature.