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Java SE 11 Developer

Last Update 19 hours ago Total Questions : 296

The Java SE 11 Developer content is now fully updated, with all current exam questions added 19 hours ago. Deciding to include 1z0-819 practice exam questions in your study plan goes far beyond basic test preparation.

You'll find that our 1z0-819 exam questions frequently feature detailed scenarios and practical problem-solving exercises that directly mirror industry challenges. Engaging with these 1z0-819 sample sets allows you to effectively manage your time and pace yourself, giving you the ability to finish any Java SE 11 Developer practice test comfortably within the allotted time.

Question # 21

Given:

Which option should you choose to enable the code to print Something happened?

A.

Add extends GeneralException on line 1.

Add extends Exception on line 2.

B.

Add extends SpecificException on line 1.

Add extends GeneralException on line 2.

C.

Add extends Exception on line 1.

Add extends Exception on line 2.

D.

Add extends Exception on line 1.

Add extends GeneralException on line 2.

Question # 22

Assuming the user credentials are correct, which expression will create a Connection?

A)

B)

C)

D)

E)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

E.

Option E

Question # 23

Given this enum declaration:

Examine this code:

System.out.println(Alphabet.getFirstLetter());

What code should be written at line 3 to make this code print A ?

A.

final String getFirstLetter() { return A.toString(); }

B.

static String getFirstLetter() { return Alphabet.values()[1].toString(); }

C.

static String getFirstLetter() { return A.toString(); }

D.

String getFirstLetter() { return A.toString(); }

Question # 24

Which command line runs the main class com.acme.Main from the module com.example?

A.

java --module-path mods com.example/com.acme.Main

B.

java –classpath com.example.jar com.acme.Main

C.

java --module-path mods -m com.example/com.acme.Main

D.

java -classpath com.example.jar –m com.example/com.acme.Main

Question # 25

Given:

What is the output?

A)

B)

C)

D)

A.

option A

B.

option B

C.

option C

D.

option D

Question # 26

Given:

List < String > list1 = new ArrayList < > ();

list1.add(“A”);

list1.add(“B”);

List list2 = List.copyOf(list1);

list2.add(“C”);

List < List < String > > list3 = List.of(list1, list2);

System.out.println(list3);

What is the result?

A.

[[A, B],[A, B]]

B.

An exception is thrown at run time.

C.

[[A, B], [A, B, C]]

D.

[[A, B, C], [A, B, C]]

Question # 27

Given:

LocalDate d1 = LocalDate.of(1997,2,7);

DateTimeFormatter dtf =

DateTimeFormatter.ofPattern( /*insert code here*/ );

System.out.println(dtf.format (d1));

Which pattern formats the date as Friday 7th of February 1997?

A.

“eeee dd+”th of”+ MMM yyyy”

B.

“eeee dd ' th of ' MMM yyyy”

C.

“eeee d+”th of”+ MMMM yyyy”

D.

“eeee d’th of’ MMMM yyyy”

Question # 28

Given the code fragment:

Which code fragment replaces the for statement?

A.

IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);

B.

IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);

C.

intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);

D.

IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);

Question # 29

Given the code fragment:

What is the result?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question # 30

Which is true?

A.

Code compiles but throws a runtime exception when run.

B.

It prints 666.

C.

The code compiles and runs successfully but with a wrong answer (i.e., a bug).

D.

The code does not compile successfully.

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