Assume ds is a DataSource and the EMP table is defined appropriately.

What does executing this code fragment do?

• A.inserts two rows (101, 'SMITH', 'HR') and (102, 'JONES', NULL)
• B.throws a SQLException
• C.inserts two rows (101, 'SMITH', 'HR') and (102, 'JONES', 'HR')
• D.inserts one row (101, 'SMITH', 'HR')

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Given an application with a main module that has this module-info.java file:

Which two are true? (Choose two.)

• A.To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.
• B.An implementation of country.countryDetails can be added to the main module.
• C.A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.
• D.A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.
• E.To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails.

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Given:

What is the result?

• A.4
• B.3
• C.An exception is thrown at runtime.
• D.5

Correct Answer: A

Explanation
Graphical user interface, text, application, chat or text message Description automatically generated

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Given:

What is known about the Sportscar class?

• A.The Sportscar class inherits the setTurbo method from the superclass Automobile.
• B.The Sportscar class is a subclass of Automobile and inherits its methods.
• C.The Sportscar class is a superclass that has more functionality than the Automobile class.
• D.The Sportscar subclass cannot override setTurbo method from the superclass Automobile.

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Given the code fragment:
Path source = Paths.get("/repo/a/a.txt");
Path destination = Paths.get("/repo");
Files.move(source, destination); // line 1
Files.delete (source); // line 2
Assuming the source file and destination folder exist, what Is the result?

• A.A java.nio.file.FileAlreadyExistsException is thrown on line 1.
• B.A copy of /repo/a/a.txt is moved to the /repo directory and /repo/a/a.txt is deleted.
• C.A java.nio.file.NoSuchFileException is thrown on line 2.
• D.a.txt is renamed repo.

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