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Question ID 3855

Which statement is true?
 

Option A

A.    A class's finalize() method CANNOT be invoked explicitly.
 

Option B

B.    super.finalize() is called implicitly by any overriding finalize() method.
 

Option C

C.    The finalize() method for a given object is called no more than once by the garbage collector.
 

Option D

D.    The order in which finalize() is called on two objects is based on the order in which the two objects became finalizable.
 

Correct Answer C
Explanation


Question ID 3856

Given:
11.    public class ItemTest {
12.    private final int id;
13.    public ItemTest(int id) { this.id = id; }
14.    public void updateId(int newId) { id = newId; }
15.    
16.    public static void main(String[] args) {
17.    ItemTest fa = new ItemTest(42);
18.    fa.updateId(69);
19.    System.out.println(fa.id);
20.    }
21.    }
What is the result?

Option A

A. Compilation fails.
 

Option B

B.    An exception is thrown at runtime.
 

Option C

C.    The attribute id in the ItemTest object remains unchanged.
 

Option D

D.    The attribute id in the ItemTest object is modified to the new value.
 

Correct Answer A
Explanation

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