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Question ID 22668

Given:
11. public void genNumbers() {
12. ArrayList numbers = new ArrayList();
13. for (int i=0; i<10; i++) {
14. int value = i * ((int) Math.random());
15. Integer intObj = new Integer(value);
16. numbers.add(intObj);
17. }
18. System.out.println(numbers);
19. }
Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection?

Option A

Line 16

Option B

Line 17

Option C

Line 18

Option D

Line 19

Option E

The object is NOT a candidate for garbage collection.

Correct Answer D
Explanation


Question ID 22669

Given a correctly compiled class whose source code is:
1. package com.sun.sjcp;
2. public class Commander {
3. public static void main(String[] args) {
4. // more code here
5. }
6. }
Assume that the class file is located in /foo/com/sun/sjcp/, the current directory is /foo/, and that the classpath contains "." (current directory). Which command line
correctly runs Commander?

Option A

java Commander

Option B

java com.sun.sjcp.Commander

Option C

java com/sun/sjcp/Commander

Option D

java -cp com.sun.sjcp Commander 

Option E

java -cp com/sun/sjcp Commander

Correct Answer B
Explanation

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