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

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?