Prueba de acceso a Java SE 11 Developer

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Este cuestionario está diseñado para simular la prueba de certificación Java SE 8 Programmer I Exam Number: 1Z0-808.
Su realización te dará una idea de tu nivel de partida, para acceder a la certificación Java SE 11 Developer, debes obtener al menos un 8 en esta prueba.
La prueba se realiza en inglés ya que las certificaciones se realizan en este idioma.

En este prueba, marca en cada pregunta la opción/es que consideres correcta/s por favor.

Email *

Nombre y Apellidos *

1 point

A. Compiler error on line 1.

B. Compiler error on line 2.

C. Compiler error on line 4

D. Compiler error on line 5.

E. Compiler error on line 6.

F. 0null

G. nullnull

Required

1 point

A. true is printed out exactly once.

B. true is printed out exactly twice.

C. true is printed out exactly three times.

D. true is printed out exactly four times.

E. The code does not compile.

1 point

A.2

B.4

C. The code will not compile because of line 3.

D. The code will not compile because of line 5.

E. The code will not compile because of line 7.

F. The code will not compile because of line 11.

G. The output cannot be determined from the code provided.

Required

1 point

A. 4

B. 5

C. 6

D. 7

E. 13

F. The code will not compile because of line 7.

1 point

A. abe

B. abce

C. abde

D. abcde

E. The code does not compile.

F. An uncaught exception is thrown.

1 point

A. 10

B. 15

C. 25

D. Compiler error on line 3.

E. Compiler error on line 8.

F. None of the above.

1 point

A.[8]

B.[9]

C. Something like [Ljava.lang.String;@160bc7c0

D. An exception is thrown.

E. The code does not compile.

1 point

A. DeerReindeer,false

B. DeerReindeer,true

C. ReindeerDeer,false

D. ReindeerDeer,true

E. DeerAgeReindeer,false

F. DeerAgeReindeer,true

G. The code will not compile because of line 7.

H. The code will not compile because of line 12.

Required

9. Which of the following statements are true? (Choose all that apply) *

1 point

A. Checked exceptions are intended to be thrown by the JVM (and not the programmer).

B. Checked exceptions are required to be caught or declared.

C. Errors are intended to be thrown by the JVM (and not the programmer).

D. Errors are required to be caught or declared.

E. Runtime exceptions are intended to be thrown by the JVM (and not the programmer).

F. Runtime exceptions are required to be caught or declared.

Required

1 point

A. Immediately after line 9, no grasshopper objects are eligible for garbage collection.

B. Immediately after line 10, no grasshopper objects are eligible for garbage collection.

C. Immediately after line 9, only one grasshopper object is eligible for garbage collection.

D. Immediately after line 10, only one grasshopper object is eligible for garbage collection.

E. Immediately after line 11, only one grasshopper object is eligible for garbage collection.

F. The code compiles.

G. The code does not compile.

Required

1 point

A. 10

B. 12

C. 13

D. 17

E. The code will not compile because of line 4.

F. The code will not compile because of line 6.

1 point

A. Color:

B. Color:null

C. Color:White

D. Compiler error on line 4.

E. Compiler error on line 10.

F. Compiler error on line 11.

1 point

A. Bear

B. Shark

C. BearShark

D. The code will not compile because of line 4.

E. The code will not compile because of line 6.

F. The code compiles without issue but does not produce any output.

1 point

A. The code will not compile because of line 6.

B. The code will not compile because of lines 7–8.

C. The application will compile but not produce any output.

D. The application will output Cluck exactly once.

E. The application will output Cluck more than once.

F. The application will compile but produce an exception at runtime.

1 point

A. CanSwim

B. Long

C. Amphibian

D. Tadpole

E. Object

Required

1 point

A. The code compiles without issue.

B. Remove the default method modifier and method implementation on line 1.

C. Remove the default method modifier and method implementation on line 2.

D. Remove the default method modifier and method implementation on lines 1 and 2.

E. Change the return value on line 1 from null to "Animal".

F. Override the getName() method with an abstract method in the Otter class.

G. Override the getName() method with a concrete method in the Otter class.

Required

1 point

A. System.out.println(test(i -> i == 5));

B. System.out.println(test(i -> {i == 5;}));

C. System.out.println(test((i) -> i == 5));

D. System.out.println(test((int i) -> i == 5);

E. System.out.println(test((int i) -> {return i == 5;}));

F. System.out.println(test((i) -> {return i == 5;}));

Required

18. Which of the following print out a date representing April 1, 2015? (Choose all that apply) *

1 point

A. System.out.println(LocalDate.of(2015, Calendar.APRIL, 1));

B. System.out.println(LocalDate.of(2015, Month.APRIL, 1));

C. System.out.println(LocalDate.of(2015, 3, 1));

D. System.out.println(LocalDate.of(2015, 4, 1));

E. System.out.println(new LocalDate(2015, 3, 1));

F. System.out.println(new LocalDate(2015, 4, 1));

Required

19. Bytecode is in a file with which extension? *

1 point

A. .bytecode

B. .bytes

C. .class

D. .exe

E. .javac

F. .java

20. Which of the following are checked exceptions? (Choose all that apply) *

1 point

A. Exception

B. IllegalArgumentException

C. IOException

D. NullPointerException

E. NumberFormatException

F. StackOverflowError

Required

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