Top Quality 1z0-813 Dumps 2021

NEW QUESTION 1
Given the code fragment:

Which is the valid definition for the crecter interface to enable the code fragment to print ksthy welcome!?

• A. public interface greater { Private string greet {string name};)
• B. public interface greater <T> { Public static String greep (T , name) ;)
• C. public interface greater {Public default String greet{ String name} { Return name;}Public String greet (String name, String salute);)
• D. public interface greater { Public String greet(String name) ;)

Answer: D

NEW QUESTION 2
Given the code fragment:

Which code fragment, when inserted at line n1, enables the code to print the could of string elements whose length is greater than three?

• A. listVa
• B. Stream(). Filter(x, length {) > 3}. count ()
• C. listVa
• D. Stream().filter(x->
• E. length{) > 3.} .mapToint{x -> x). count ()
• F. listVa
• G. Stream().map {x ->
• H. length {) >3}. count ()
• I. listVa
• J. Stream().peek [x ->
• K. length{} > 3} count (). Get ()

Answer: A

NEW QUESTION 3
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 4
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 5
Give the code fragment:

What is the result?

• A. word: why what when
• B. word: why word: why what word: why what when
• C. Compilation fails.
• D. word: why word: what word: when

Answer: A

NEW QUESTION 6
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 7
Given the code fragments:

• A. Optional (France) Not Found
• B. FranceOptional [Not Found]
• C. optional [France] Optional [Not Found]
• D. France Not Found

Answer: D

NEW QUESTION 8
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 9
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 10
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 11
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 12
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 13
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 14
Given the code fragment:

What is the result?

• A. 0 0
• B. 1 4
• C. A compilation error occurs.
• D. 1 2

Answer: C

NEW QUESTION 15
Given the code fragment:

What change must you make to enable the code to print the following output?
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8

• A. Replication line 8 with.pook(o -> 1 myLis
• B. Add(c) ; )}.
• C. Replication line 12 with Parallelstrees{).
• D. Replication line 7 withStream{).
• E. Replication line 13 withforEachorder{c -> system.out.print { c + “ “} ;.

Answer: C

NEW QUESTION 16
Given the code fragment:

You have been asked to define the productcode class. The definition of the productcode class must allow c 1 instantiation co succeed and cause a compilation error on o2 instantiation.
Which definition of productcode meets the requirement?

• A. class productCode<T, S extends T> { T c1;S c2;)
• B. class productCode<T, S< { T c1;S c2;)
• C. class productCode<T, S<IntegAr>> { T c1;S c2;)
• D. Class productCode<T, S super T> { T c1;S c2;)

Answer: A