サン、マイクロシステムズの認定資格は、Java、Solarisというネットワーク社会を支える先進的な技術を修得した方に対し、その技術が規定以上のレベルに達していることを、全世界共通の認定により保証します。310-065資格認定を取得することで、あなたのビジネスに競争力というアドバンテージが加わります。今KILLTESTは310-065認定試験を対策を出します。情報ストレージ/管理分野におけるSunの包括的で適応性の高い310-065の問題集を通じて、信頼性を築き、推測に頼らずにスキルや能力を評価することができます。
これから310-065無料問題集皆と分かち合います
1. Given:
1. public class Threads2 implements Runnable {
2.
3. public void run() {
4. System.out.println("run.");
5. throw new RuntimeException("Problem");
6. }
7. public static void main(String[] args) {
8. Thread t = new Thread(new Threads2());
9. t.start();
10. System.out.println("End of method.");
11. }
12. }
Which two can be results? (Choose two.)
A. java.lang.RuntimeException: Problem
B. run. java.lang.RuntimeException: Problem
C. End of method. java.lang.RuntimeException: Problem
D. End of method. run. java.lang.RuntimeException: Problem
E. run. java.lang.RuntimeException: ProblemEnd of method.
Answer: DE
2. Which two statements are true? (Choose two.)
A. It is possible for more than two threads to deadlock at once.
B. The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
C. Deadlocked threads release once their sleep() method's sleep duration has expired.
D. Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.
E. It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
F. If a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by
insertinginvocations of Thread.yield().
Answer:AF
3. Given:
1. void waitForSignal() {
2. Object obj = new Object();
3. synchronized (Thread.currentThread()) {
4. obj.wait();
5. obj.notify();
6. }
7. }
Which statement is true?
A. This code can throw an InterruptedException.
B. This code can throw an IllegalMonitorStateException.
C. This code can throw a TimeoutException after ten minutes.
D. Reversing the order of obj.wait() and obj.notify() might cause this method to complete normally.
E. A call to notify() or notifyAll() from another thread might cause this method to complete normally.
F. This code does NOT compile unless "obj.wait()" is replaced with "((Thread) obj).wait()".
Answer: B
5. Given:
1. class PingPong2 {
2. synchronized void hit(long n) {
3. for(int i = 1; i < 3; i++)
4. System.out.print(n + "-" + i + " ");
5. }
6. }
7. public class Tester implements Runnable {
8. static PingPong2 pp2 = new PingPong2();
9. public static void main(String[] args) {
10. new Thread(new Tester()).start();
11. new Thread(new Tester()).start();
12. }
13. public void run() { pp2.hit(Thread.currentThread().getId()); }
14. }
Which statement is true?
A. The output could be 5-1 6-1 6-2 5-2
B. The output could be 6-1 6-2 5-1 5-2
C. The output could be 6-1 5-2 6-2 5-1
D. The output could be 6-1 6-2 5-1 7-1
Answer: B