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Oracle 1Z0-809 Exam

Java SE 8 Programmer II

Total Questions: 196

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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''; )



ExecutorService es = Executors.newCachedThreadPool ();

Runnable r1 = new ThreadRunner ();

Callable c1 = new ThreadCaller ();

// line n1


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:




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?

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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