SCJP Module-7 Question-9


 

SCJP Module-7 Question-9

This example will check your understanding about the wrapper class Integer and it is also very helpful for successful completion of SCJP exam.

This example will check your understanding about the wrapper class Integer and it is also very helpful for successful completion of SCJP exam.

Given a sample code:

1    public class Test {
2    public static void main(String[] args) {
3    Integer i = 5;
4    int j = i.intValue();
5    System.out.println(j);
}}

What will be the result of above code ?

(A) 5
(B) An exception is thrown at runtime.
(C) Compilation fails because of an error on line 3.
(D) Compilation fails because of an error on line 4.

Answer:

(A)

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