Improve 1z0-813 Class 2021

NEW QUESTION 1

• 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 2
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 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
Given:

What is the result?

• A. 0 1 2 3 4
• B. 0 1 2 3 4
• C. 1 1 1 1 1
• D. 1 2 3 4 5

Answer: C

NEW QUESTION 5
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 6
Given:

You have been asked to ensure that the run methods of both the worker and Master classes are executed.
Which modification meets the requirement?

• A. At line n2, insert cyclicBarrier cb = new cyclicBarrier {2, master} ;
• B. At line n2, insert cyclicBarrier cb = new cyclicBarrier {1, master} ;
• C. At line n2, insert cyclicBarrier cb = new cyclicBarrier {1) ;
• D. At line n2, insert cyclicBarrier cb = new cyclicBarrier{master) ;

Answer: B

NEW QUESTION 7
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 8
Which two codes correctly represent a standard language local code?

• A. UB
• B. uB
• C. FR
• D. EE
• E. ff
• F. eB

Answer: CD

NEW QUESTION 9
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 10
Given the code fragment?

Which two fragments, when inserted independently at line6, enable the code to print true?

• A. Boolean b = num
• B. stream ().Nonematch( n -> n == 20) ;
• C. Boolean b = num
• D. stream ().filter(n-> n –20).allMatch -> u – 20);
• E. Boolean b = num
• F. stream ().map(n-> n20).Nonematch( n -> n == 20) ;
• G. Boolean b = num
• H. stream ().allMatch -> u – 20);

Answer: BC

NEW QUESTION 11
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 12
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 13
Given the code fragement:

If exceptions occur when closing the Filewriter object and when retrieving the JString class object, which exception object is propagated up to the caller of the processFile method?

• A. Java.lan
• B. Exception
• C. Java.lan
• D. NOSuchClassException
• E. Java .j
• F. ToException
• G. Java.lan
• H. classNotFoundException

Answer: D

NEW QUESTION 14
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 15
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 16
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 17
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 18
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 19
Which two statements are true about localizing an application?

• A. Support for new regional language does not require recompilation of the code.
• B. Language codes use lowercase letters and region cedes use uppercase letters,
• C. Textual elements (messages and GUI labels) are hard coded in the code.
• D. Language and region-specific programs are created using localized data.
• E. Resource bundle files Include date and currency information.

Answer: DE

NEW QUESTION 20
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 21
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 22
Given:

What is the result?

• A. [Java ME:Jessy: Chicago, ME: Mark: Chicago] [Java EF: Helan: Houston]
• B. Java EE Java XE
• C. [JavaEF: Helen:Houton] [JavaME : Jassy: Chicago, Java ME: mArk: Chicago]
• D. A compilation error occur

Answer: B

NEW QUESTION 23
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 24
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 25
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