Question

Which of the following is not the name of a java wrapper class from the Java API?
-byte
-Int
-Long
-Boolean
I am confused on this one

Answer 1

Answer:

Int

byte

Explanation:

In java there are eight primitive data types has a class dedicated, and then we can find eight wrapper classes, I'm going to let you the next table with the 8 example:

Assume the next table byte and Int are primitive data, the different with byte is only the capital letter Byte.

Primitive Wrapper Class

boolean         Boolean  

byte                 Byte  

char                 Character

int                 Integer  

float                 Float  

double         Double

long                 Long  

short         Short