Question

What will be the error in the following Java code?

    byte b = 50;
    b = b * 50;

a) b cannot contain value 50
b) b cannot contain value 100, limited by its range
c) No error in this code
d) * operator has converted b * 50 into int, which can not be converted to byte without casting

Answer 1

Answer: d
Explanation: While evaluating an expression containing int, bytes or shorts, the whole expression is converted to int then evaluated and the result is also of type int.