SCJP Questions And Answers

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- 74 - C. A static inner class has no reference to an instance of the enclosing class. D. A static inner class has access to the non-static members of the outer class. E. Static members of a static inner class can be referenced using the class name of the static inner
class.

Answer: C, E

QUESTION NO 145
Given:
1. public class X {
2. public object m () {
3. object o = new float (3.14F);
4. object [] oa = new object [1];
5. oa[0]= o;
6. o = null;
7. oa[0] = null;
9. return o;
9. }
10. }
When is the float object created in line 3, eligible for garbage collection?
A. Just after line 5. B. Just after line 6. C. Just after line 7. D. Just after line 8(that is, as the method returns).

Answer: C

QUESTION NO 146
Which two interfaces provide the capability to store objects using a key-value pair? (Choose Two)
A. Java.util.Map.
B. Java.util.Set.
C. Java.util.List.
D. Java.util.StoredSet.
E. Java.util.StoredMap.
F. Java.util.Collection.