Given the following method header, which of these method calls is incorrect? public void displayValue(int x, int y);
A) displayValue(a, b); // where a is a short and b is a byte
B) displayValue(a, b); // where a is an int and b is a byte
C) displayValue(a, b); // where a is a short and b is a long
D) All of these would give an error.

Question

Quizplus · Accepted Answer

In Java, method parameters are subject to automatic type promotion. For options A and B, both `short` and `byte` types can be automatically promoted to `int` without any issues. However, in option C, a `long` cannot be automatically demoted to an `int`, which would cause a compile-time error since the method expects two `int` parameters.

Given the Following Method Header, Which of These Method Calls