READ Free Dumps For Oracle- 1z0-804
| Question ID 21453 | Explanation:
addFirst
void addFirst(E e)
Inserts the specified element at the front of this deque if it is possible to do so immediately without violating
capacity restrictions. When using a capacity-restricted deque, it is generally preferable to use method offerFirst
(E).
pollLast
E pollLast()
Retrieves and removes the last element of this deque, or returns null if this deque is empty.
Returns:
the tail of this deque, or null if this deque is empty
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| Option A | Jane Doe
John Doe
Joe Shmoe
|
| Option B | John Doe
Jane Doe
Joe Shmoe
|
| Option C | Joe Shmoe
John Doe
Jane Doe
|
| Option D | Joe Shmoe
Jane Doe
John Doe
|
| Option E | Jane Doe
Joe Shmoe
John Doe
|
| Option F | John Doe
Joe Shmoe
Jane Doe
|
| Correct Answer | A |
Explanation Explanation: The list will be sorted alphabetically (Lastname / Firstname). first sorted by Lastname if Lastname equals, sorted by firstname Output will be: Jane Doe John Doe Joe Shmoe
| Question ID 21454 | Given the cache class:
public class Cache <T> {
private T t;
public void setValue (T t) { this.t=t; }
public T getValue() { return t; }
What is the result of the following?
Cache<> c = new Cache<Integer>(); // Line 1
SetValue(100); // Line 2
System.out.print(c.getValue().intValue() +1); // Line 3
|
| Option A | 101
|
| Option B | Compilation fails at line 1.
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| Option C | Compilation fails at line 2.
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| Option D | Compilation fails at line 3.
|
| Correct Answer | B |
Explanation Explanation: Compilation failure at line:1 Incorrect number of arguments for type Cache
; it cannot be parameterized with arguments <> illegal start of type type cache.Cache does not take parameters.