1Z1-804J Real Exam Dumps DEMO

Question 1: どの 2 つ はキ ーワ ー ドの有 効な 使用 同期 を証 明しま すか 。
A. interface ThreadSafe {
synchronized void doIt();
}
B. abstract class ThreadSafe {
synchronized abstract void doIt();
}
C. class ThreadSafe {
synchronized static void soIt () {}
}
D. enum ThreadSafe {
ONE, TWO, Three;
synchronized final void doIt () {}
}
Correct Answer: C
Explanation:
The Java programming language provides two basic synchronization idioms:
synchronized methods and synchronized statements.
To make a method synchronized, simply add the synchronized keyword to its declaration.