Ultimate Guide to the 1Z0-819 – Latest Oct 10, 2024 Edition Available Now [Q64-Q87]

NO.64 Given the code fragment:

Which two statement inserted independently at line 1 enable this code to print PRRT?

NO.65 Given:

What is the output?
A)

B)

C)

D)

NO.66 Given:

When is the readObject method called?

NO.67 Given:

What is the result?

NO.68 Which two safely validate inputs? (Choose two.)

NO.69 Given the code fragment:

What is the result?

NO.70 Given the code fragment:

What is the result?

NO.71 Given:

and the code fragment:
Which two Map objects group all employees with a salary greater than 30 by neighborhood? (Choose two.)

NO.72 Why would you choose to use a peekoperation instead of a forEachoperation on a Stream?

NO.73 Given:
var fruits = List.of(“apple”, “orange”, “banana”, “lemon”);
You want to examine the first element that contains the character n. Which statement will accomplish this?

NO.74 Given:

Which option should you choose to enable the code to print Something happened?

NO.75 Which two modules include APIs in the Java SE Specification? (Choose two.)

NO.76 Given:

What is the result?

NO.77 Given:

You want to obtain the Filechannel object on line 1.
Which code fragment will accomplish this?
A)

B)

C)

D)

NO.78 Given TripleThis.java:

Compiling TripleThis.java gives this compiler warning:
Note: TripleThis.java uses unchecked or unsafe operations.
Which two replacements done together remove this compiler warning?

NO.79 Assume ds is a DataSource and the EMP table is defined appropriately.

What does executing this code fragment do?

NO.80 Given:

Which three are true? (Choose three.)

NO.81 Given:

What action ensures successful compilation?

NO.82 Given:

You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?

NO.83 Given:

Which three are correct? (Choose three.)

NO.84 Given the code fragment:
Path currentFile = Paths.get(“/scratch/exam/temp.txt”);
Path outputFile = Paths get(“/scratch/exam/new.txt”);
Path directory = Paths.get(“/scratch/”);
Files.copy(currentFile, outputFile);
Files.copy(outputFile, directory);
Files.delete (outputFile);
The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist.
What is the result?

NO.85 Given the code fragment:

What is the output?

NO.86 Given:

Why does D cause a compilation error?

NO.87 Given these classes:

And this code fragment:

What is the result?