Updated 1z0-813 Testing Material 2021

NEW QUESTION 1
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 2

• 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 3
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 4
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 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
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 7
Given the code fragment:

What is the result if the integer aVar is 9?

• A. 10 Hello World!
• B. Hello Universe!
• C. Hello World!
• D. Compilation fail

Answer: A

NEW QUESTION 8
Given the code fragments:

What is the result?

• A. The program prints Run… and throws an exception.
• B. Run… Call…
• C. A compilation error occurs at line n2.
• D. A compilation error occurs at line n1.

Answer: B

NEW QUESTION 9
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 10
Given:

• A. 2:MyPir..jpAg:MyPi
• B. jpag
• C. 2: pics:Mypic.jpcg
• D. 1:Pics:/Pics/MyPic.jpeg
• E. An exception is thrown at run tim

Answer: A

NEW QUESTION 11
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 12
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 13
Given the code fragment:

What type of result is printed?

• A. Era
• B. Time of the Epoch (in milliseconds)
• C. Full text time zone name
• D. Time zone abbreviation
• E. Julian date

Answer: B

NEW QUESTION 14
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 15
Given the code fragment:

Which code fragment, when inserted at linen1, enables the code to print (500, 1000)?

• A. UnaryOperator<Integger> funIntf- n -> n * 5;
• B. Function<Integer>funIntf –n -> n * 5 ;
• C. intFunction funintf = n -> * 5; I
• D. Consumer <Integer> funIntf = n -> n * 5 ;

Answer: A

NEW QUESTION 16
Given the code fragment:

What is the result?

• A. The file s in the home directory are instead along with their attributes.
• B. A compilation error occurs at Line n2.
• C. A compilation error occurs at Line n1.
• D. All files and directories under the home directory are listed along with their attribute

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
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 19
Which statement Is true about the single abstract method of the java.util.function.Function Interface?

• A. It accepts an argument and produces a result of any data type.
• B. It accepts one argument and returns void.
• C. It accepts one argument and always produces a result of the same type as the argument.
• D. It accepts one argument and returns boolea

Answer: A

NEW QUESTION 20
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 21
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