Free 1Z0-809 Exam Questions - Oracle 1Z0-809 Exam
Java SE 8 Programmer II
Total Questions: 164Based on Official Syllabus Topics of Actual Oracle 1Z0-809 Exam
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Understand the Actual 1Z0-809 Exam Syllabus, Format, and Question Types
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Oracle 1Z0-809 Questions
Given the code fragments:
class ThreadRunner implements Runnable {
public void run () { System.out.print (''Runnable'') ; }
}
class ThreadCaller implements Callable {
Public String call () throws Exception {return ''Callable''; )
}
and
ExecutorService es = Executors.newCachedThreadPool ();
Runnable r1 = new ThreadRunner ();
Callable c1 = new ThreadCaller ();
// line n1
es.shutdown();
Which code fragment can be inserted at line n1 to start r1 and c1 threads?
Given the Greetings.properties file, containing:
and given:
What is the result?
Given the code fragment:
Assume that dbURL, userName, and password are valid.
Which code fragment can be inserted at line n1 to enable the code to print Connection Established?
Given the code fragments:
and
Which two modifications enable to sort the elements of the emps list? (Choose two.)
Given the code fragment:
Which two code fragments, when inserted at line n1 independently, result in the output PEEK: Unix?
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