Precise 1z0-813 Dumps Questions 2021

NEW QUESTION 1
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 2
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 3
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 4
Given the code fragment:

Which two code fragments, when Inserted Independently at line 14, enable the code to compile?

• A. Map<String, List<String>> category = new HashMap<>> () ;
• B. Mae<String, List<String>> category = new HashMap<String, List<String>> () ;
• C. Map<String, List<String>> category = new HashMap<String, ArrayList<String>> () ;
• D. Map<String, List<String>> category = new HashMap<List> () ;
• E. Map<String, List<String>> category = new HashMap<String, List<>> () ;
• F. Map<String, List<String>> category = new HashMap<> () ;

Answer: BF

NEW QUESTION 5
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 6
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 7
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 8
Given:

Which code fragment, when inserted at line n1, results in the following output?

• A. double totalprise =pr
• B. Stream()* Reduce (0,0 Double::sun) ;
• C. double totalprise =pr
• D. Stream()*Parallel ()*Reduce {0.0, {p1,p2)-> p1. Getprice{}+ p2. Getprice {}) =
• E. double totalprise =pr
• F. Stream{)*Parallel ()*aap { -> p.getprice{})* reduce (0.0, (p1, p2) -> p1 + p2) ;
• G. double totalprise =pr
• H. Stream{) Rduce(0.0, {p1, p2 ) -> p1 + p2);

Answer: D

NEW QUESTION 9
Which two statements are true about the walKfileTrac method of the files class?

• A. If the file is a directory, and If that directory could not be opened, the poatVisitDirectory method is Invoked with the I/O exception.
• B. The file tree traversal Is breadth first with the given filevisitor Invoked for each file encountered.
• C. The maxDepth parameter's value is the maximum number of directories to visit.
• D. By default, symbolic links are not automatically followed by this method.
• E. If the file attributes cannot be lead due to on I/O exception, the visitFileFailed method is invoked With the I/O exception.

Answer: AE

NEW QUESTION 10
Given the code fragment:

What is the result?

• A. A compilation error occurs at Line n1.
• B. Logged out at: 2015-01-12T21: 58:002
• C. can’t Logout.
• D. Logged cut at: 2015-01-12T21:50:19.000z

Answer: B

NEW QUESTION 11
Given the code fragment:

What is the result, if the filesalesreport. dat does not exist?

• A. class Java.ia.IOException
• B. Compilation fails at line 6 and 13.
• C. class java.i
• D. flilenNOlfoundException
• E. Compilation fails only at line 6.
• F. Compilation fails only at line 13.

Answer: E

NEW QUESTION 12
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 13
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 14
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 15
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 16
Given:

What is the result?

• A. 2000. 0
• B. A compilation error occur
• C. 1500. 0
• D. 0 0

Answer: C

NEW QUESTION 17
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

NEW QUESTION 18
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