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Free 1Z0-809 Exam Questions - Oracle 1Z0-809 Exam

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Java SE 8 Programmer II

Total Questions: 164

Based 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

Get official information about the syllabus and format of the exam to set an effective study plan. This information helps you to know what type of questions and topics will appear in the Oracle 1Z0-809 exam. Don’t waste your time and concentrate on such learning content which is expected in the actual exam.

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Oracle 1Z0-809 Questions

Q1.

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?

Q2.

Given the Greetings.properties file, containing:

and given:

What is the result?

Q3.

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?

Q4.

Given the code fragments:

and

Which two modifications enable to sort the elements of the emps list? (Choose two.)

Q5.

Given the code fragment:

Which two code fragments, when inserted at line n1 independently, result in the output PEEK: Unix?

Solutions:
Question: 1 Answer: D
Question: 2 Answer: A
Question: 3 Answer: A
Question: 4 Answer: B, C
Question: 5 Answer: C, E

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