High value 1z0-813 Braindumps 2021

NEW QUESTION 1
Given the definitions of Readable and writable interfaces:

What is the result?

• A. Hello welcome close
• B. Compilation fails due to an error at Line n2.
• C. Compilation foils due to on error at Line n3.
• D. Compilation fails due to an error at Line n1..

Answer: A

NEW QUESTION 2
Given the code fragment:

What is the result?

• A. A compilation error occurs.
• B. 1020
• C. 20.030.0
• D. A NumberformatExecption is thrown at run tim

Answer: C

NEW QUESTION 3

• A. Inserted submit at line X.
• B. Inserted process at line X.
• C. Inserted submit at line z.
• D. Inserted process at line Y.
• E. Inserted process at line Z.
• F. Inserted splitTnhalf at line Y.
• G. Inserted splitinhalf at line

Answer: BCF

NEW QUESTION 4
Given:

Which code fragment, when instead at Line n1, enables the Birdie class to compile?

• A. static void fly (consumer <? Extends Brid Eird} { Bird.accept().fly()?
• B. static void fly(consumer>Bird> bird (Bir
• C. Accept {} fly {)?}
• D. static void fly (supplisr<Bird> bird) ( Bird.get 1). Fly() ;}
• E. static void fly (supplier <? extends Bird> bird } { bird.get{) ;}

Answer: B

NEW QUESTION 5
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 6
Given:

Which result possible?

• A. L1 w3
• B. L2 w3
• C. L1 L2 w3
• D. w3
• E. Compilation fail

Answer: E

NEW QUESTION 7
Which code fragment, when inserted at line n1, produces the result fy20`4.txt?

• A. stream<path> files =Files.find(path
• B. get(“D\ report”) , (p, a) -> a isRagular File ());
• C. stream<path> files = File
• D. Wal
• E. get(“D\ report”);
• F. stream<path> files = File
• G. Wal
• H. get(“D\ report”), 3, (p, a) -> p.isregularFile()) ;
• I. stream<path> files = Files.find(path
• J. get(“D\ report”\ry2014.txt”)) ‘

Answer: B

NEW QUESTION 8
Given the code fragment:

• A. .allMatch () ;
• B. .FindFirst () ;
• C. .nonexatch () ;
• D. findAny () ;
• E. .anyMatch () ;

Answer: BE

NEW QUESTION 9
Which statement Is true about java.util.stream.stream?

• A. Streams support aggregate operations.
• B. All stream operations are lazy.
• C. Objects in streams are intended to be mutable.
• D. Streams can be reuse

Answer: A

NEW QUESTION 10
Given the code fragment:

What is the result?

• A. An exception is thrown at runtime.
• B. Jock Jcne
• C. Jack jane John Tcm Tim
• D. A compilation error occur

Answer: C

NEW QUESTION 11
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 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
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 14
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 15
Given the code fragment:

What is the result?

• A. NULL
• B. An exception is thrown at runtime.
• C. blank
• D. Compilation fails
• E. invalid

Answer: B

NEW QUESTION 16
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 17
Which is true regarding the jaa.nio.file.Path interface?

• A. Implementation of this Interface are nor safe for use by multiple concurrent threads.
• B. implementations of this interface arc immutable.
• C. The interface extends the watchservice Interface.
• D. Paths associated with the default provider are not interoperable with the java.io.File clas

Answer: B

NEW QUESTION 18
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