1z0-813 무료 덤프문제 온라인 액세스

Given the code fragment:

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

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

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

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

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.Paths associated with the default provider are not interoperable with the java.io.File class.
• C.implementations of this interface arc immutable.
• D.The interface extends the watchservice Interface.

Given the code fragment:

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

Given the code fragment:

Which should be inserted into line n1 to print Average -2.5?

• A.Steram str = 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.TNT.stream atr = Stream.of (1, 2, 3, 4);