NEW QUESTION 1
You are asked to implement an interface that processes a batch of transaction objects and returns a discounted value for each transaction as a double primitive value.
Which interface can you use to accomplish the task?

• A. ToDoubleFunction


• B. DoubleConsumer


• C. DoubleFunction


• D. DoubleSuppLier

Answer: A

NEW QUESTION 2
Given:

What is the result when you compile the code and execute the command: Java MyAPP Kava

• A. Kava


• B. Kawa


• C. An Exception is thrown at runtime.


• D. Kava


• E. Kawa

Answer: E

NEW QUESTION 3
Given:

Which two code fragments, when inserted at Line n1 independently, enable the code print TRUCKCarBike?

• A. .sorted (comparabl


• B. Comparing (vehicle:: getVName) . reverse()


• C. .sorted(comparator, comparing ((vehicle v)


• D. getVId()))


• E. .map(v->


• F. getVid ()). sorted ()


• G. .sorted ((v1, v2) -> integer .compare(v1.getVId() , v2.getVid()))


• H. .sorted ((v1, v2) -> v1.getVid() < v2. getVid())

Answer: BD

NEW QUESTION 4
Give the code fragment:

Which code fragment, when inserted at line n1, enables the code to print the sum of all the elements in the runs list?

• A. return list, Stream () .map (I -> i) sum () ;


• B. return list, Stream ( ).mapToint (I -> i). sum () ;


• C. return list, Stream () .mapToint(i -> i+ i) . sum();


• D. return list, Stream () .map(1-> 1 +1) .sum{) ;

Answer: B

NEW QUESTION 5
Given the code fragment:

What is the result?

• A. [x, x][ x, x, x, x]


• B. [X] [


• C. XJ [X, X, X]


• D. [x](X, X][x, x, x][ x,


• E. x , X]


• F. [x, x]

Answer: A

NEW QUESTION 6
Given the Greetings. Properties file, containing;

What is the result?

• A. Goodbye everyone


• B. GOODBYE everyone!


• C. Hello, everyone!


• D. HELLO_MSG


• E. Compilation

Answer: C

NEW QUESTION 7
Give the code fragment:

What is the result?

• A. 0 : 1 : 2 : 3 : 4 :


• B. 0 : 0 : 0 : 0 : 0 : pen


• C. A compilation error occurs.


• D. 0 : 1 : pen


• E. 0 : 0 : pen

Answer: E

NEW QUESTION 8
Given the following incorrect program:

Which two changes the program work correctly?

• A. The compute () method must be changed to return an integer result.


• B. The TIDESHOLD value be increase so that the overhead of task creation does not dominate the cost of computation.


• C. The MyTask class must be modified to extend RecuraivaAction Instaed of RecuresivATAsk.


• D. Result must be retrieved from the newly created MyFask instances and combined.


• E. The computeDirectly {} method must be enhanced to fork () new created tasks.


• F. The midpoint computation must be altered so that it splits the workload in an optimal manne

Answer: CE

NEW QUESTION 9
Given the interface:

Which class implements idGenerator in a safe manager, so that no threads can get a duplicate id value during concurrent access?

• A. public class Generator implements IdGenerator ( Private volatile int Id -0;Public int getNExt Td() | Synchronized (new generator()) { return ++id;}}}


• B. public class Generator implements IdGeneretor ( Private int id =0;Public int getNExtId {) { Synchronized (new generator()) { return ++id;}}}


• C. public Class Generator implement IdGenerator ( privateAtcmicinInteger id - new AtomaticIntegger (0); public int getNextId{} {return i


• D. Increaseincrasement AndSet{) ;}}


• E. public Class Generator implement IdGenerator ( Private int id =0;Public int getNextId { ) { Synchronized (id) ; return ++id}}


• F. public Class Generator implement IdGenerator ( Private int id =0;Public int getNextId { ) { Synchronized (id) ; return ++id}}}Return ++id;

Answer: C

NEW QUESTION 10
Which two states are valid for a watch key?

• A. Ready


• B. Not Runnable


• C. Runnable


• D. Does not Exist


• E. Signalled

Answer: AE

NEW QUESTION 11
Which three must be used when using the java.util-concurrent package to execute a task that returns a result without blocking?

• A. Future


• B. Runnable


• C. ExecutorService


• D. Callable


• E. Thread


• F. Executor

Answer: ACD

NEW QUESTION 12
Given the code fragments:

What is the result?

• A. Java SE: 2000.0 Java XE: 120.0B .java SE: 300.0 Java XE : 120.0


• B. Compilation fails due to at line 15.


• C. Compilation falls due to an error at line 16.

Answer: A

NEW QUESTION 13
Given the code fragment:

What is the result?

• A. Tom, Joe,


• B. An llleqalstateException is thrown at the run time.


• C. Tom, Hello Joe, Hello


• D. A compilation error occur

Answer: C

NEW QUESTION 14
Given the code fragments:

What is the result?

• A. DodcatMOUSE


• B. [Do


• C. Cat, Mouse]


• D. null


• E. compilation error occur

Answer: D

NEW QUESTION 15
Given the code fragment:

• A. .allMatch () ;


• B. .FindFirst () ;


• C. .nonexatch () ;


• D. findAny () ;


• E. .anyMatch () ;

Answer: BE

NEW QUESTION 16
In 2015, daylight saving time in the New Yourk, beings on March 8th at 2:00 AM. As a result, AM becomes 3:00 AM.
Given the code fragment:

Which is the result?

• A. 3:00 – difference: 2


• B. 4:00 – difference: 2


• C. 4:00 – difference: 2


• D. 2:00 – difference: 1

Answer: A

NEW QUESTION 17
Given:

What is the result?

• A. [Java ME:Jessy: Chicago, ME: Mark: Chicago] [Java EF: Helan: Houston]


• B. Java EE Java XE


• C. [JavaEF: Helen:Houton] [JavaME : Jassy: Chicago, Java ME: mArk: Chicago]


• D. A compilation error occur

Answer: B

NEW QUESTION 18
Given the code fragment:

Which should be inserted into line n1 to print Average -2.5?

• A. TNT.stream atr = Stream.of (1, 2, 3, 4);


• B. IntStream str =IntStream.of (1, 2, 3, 4);


• C. DoubleSteram str- intstream.of (1, 0, 2.0, 3.0, 4.0,);


• D. Steram str = Stream.of (1, 2, 3, 4);

Answer: C

NEW QUESTION 19
Which two codes correctly represent a standard language local code?

• A. UB


• B. uB


• C. FR


• D. EE


• E. ff


• F. eB

Answer: CD

NEW QUESTION 20
Given:

You have been asked to ensure that the run methods of both the worker and Master classes are executed.
Which modification meets the requirement?

• A. At line n2, insert cyclicBarrier cb = new cyclicBarrier {2, master} ;


• B. At line n2, insert cyclicBarrier cb = new cyclicBarrier {1, master} ;


• C. At line n2, insert cyclicBarrier cb = new cyclicBarrier {1) ;


• D. At line n2, insert cyclicBarrier cb = new cyclicBarrier{master) ;

Answer: B

NEW QUESTION 21
Which two elements must be present in any valid pipeline?

• A. a lambda expression or a method reference


• B. o terminal operation


• C. one or more Intermediate operations


• D. a reduction operation


• E. a source

Answer: BE

NEW QUESTION 22
Given the code fragement:

If exceptions occur when closing the Filewriter object and when retrieving the JString class object, which exception object is propagated up to the caller of the processFile method?

• A. Java.lan


• B. Exception


• C. Java.lan


• D. NOSuchClassException


• E. Java .j


• F. ToException


• G. Java.lan


• H. classNotFoundException

Answer: D

NEW QUESTION 23
Given:

Which result possible?

• A. L1 w3


• B. L2 w3


• C. L1 L2 w3


• D. w3


• E. Compilation fail

Answer: E

NEW QUESTION 24
Which two statements are true about localizing an application?

• A. Support for new regional language does not require recompilation of the code.


• B. Language codes use lowercase letters and region cedes use uppercase letters,


• C. Textual elements (messages and GUI labels) are hard coded in the code.


• D. Language and region-specific programs are created using localized data.


• E. Resource bundle files Include date and currency information.

Answer: DE

NEW QUESTION 25
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