What Pinpoint 1Z0-819 Training Tools Is

NEW QUESTION 1
Given:

and checkQuality(QUALITY.A); and

Which code fragment can be inserted into the switch statement to print Best?

• A. QUALITY.A.ValueOf()
• B. A
• C. A.toString()
• D. QUALITY.A

Answer: B

NEW QUESTION 2
Given an application with a main module that has this module-info.java file:

Which two are true? (Choose two.)

• A. A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.
• B. A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.
• C. An implementation of country.countryDetails can be added to the main module.
• D. 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.
• 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.

Answer: BD

NEW QUESTION 3
Given:

Which loop incurs a compile time error?

• A. the loop starting line 11
• B. the loop starting line 7
• C. the loop starting line 14
• D. the loop starting line 3

Answer: C

NEW QUESTION 4
Given:

What is the result?

• A. The compilation fails.
• B. abdf
• C. abd
• D. adf
• E. abcd

Answer: E

NEW QUESTION 5
Given:

Which expression when added at line 1 will produce the output of 1.17?

• A. float z = (float)(Math.round((float)x/y*100)/100);
• B. float z = Math.round((int)(x/y),2);
• C. float z = Math.round((float)x/y,2);
• D. float z = Math.round((float)x/y*100)/(float)100;

Answer: D

Explanation:

NEW QUESTION 6
Given:

What is the result?

• A. is it 1
• B. An IndexOutOfBoundsException is thrown at runtime.
• C. is it 0
• D. this is it 2
• E. this is it 3

Answer: D

Explanation:

NEW QUESTION 7
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 java.nio.file.NoSuchFileException is thrown on line 2.
• C. A copy of /repo/a/a.txt is moved to the /repo directory and /repo/a/a.txt is deleted.
• D. a.txt is renamed repo.

Answer: C

NEW QUESTION 8
Given:

What is the result?

• A. nothing
• B. It fails to compile.
• C. A java.lang.IllegalArgumentException is thrown.
• D. 10

Answer: B

Explanation:

NEW QUESTION 9
Given:

What is the result?

• A. Orange Juice
• B. The compilation fails.
• C. Orange Juice Apple Pie Lemmon Ice Raspberry Tart
• D. The program prints nothing.

Answer: C

Explanation:

NEW QUESTION 10
Which set of commands is necessary to create and run a custom runtime image from Java source files?

• A. java, jdeps
• B. javac, jlink
• C. jar, jlink
• D. javac, jar

Answer: B

NEW QUESTION 11
Given:

What is the result?

• A. compilation error
• B. 0 5
• C. 6 13
• D. 5 12

Answer: A

Explanation:

NEW QUESTION 12
Which code fragment prints 100 random numbers?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Answer: D

NEW QUESTION 13
Given:

Examine these requirements:
Eliminate code duplication.
Keep constant the number of methods other classes may implement from this interface. Which method can be added to meet these requirements?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Answer: B

NEW QUESTION 14
Given:

Which two lines cause compilation errors? (Choose two.)

• A. line 12
• B. line 6
• C. line 9
• D. line 8
• E. line 7

Answer: BE

NEW QUESTION 15
Given this enum declaration:

Examine this code: System.out.println(Alphabet.getFirstLetter());
What code should be written at line 3 to make this code print A?

• A. final String getFirstLetter() { return A.toString(); }
• B. static String getFirstLetter() { return Alphabet.values()[1].toString(); }
• C. static String getFirstLetter() { return A.toString(); }
• D. String getFirstLetter() { return A.toString(); }

Answer: C

NEW QUESTION 16
Which two statements are true about the modular JDK? (Choose two.)

• A. The foundational APIs of the Java SE Platform are found in the java.base module.
• B. An application must be structured as modules in order to run on the modular JDK.
• C. It is possible but undesirable to configure modules’ exports from the command line.
• D. APIs are deprecated more aggressively because the JDK has been modularized.

Answer: AC

NEW QUESTION 17
Given:

executed with this command: java Main one two three
What is the output of this class?

• A. The compilation fails.
• B. 1) one2) two3) three
• C. A java.lang.ArrayIndexOutOfBoundsException is thrown.
• D. 1) one
• E. nothing

Answer: B

NEW QUESTION 18
Given:

What is the output?

• A. 300
• B. Exception
• C. 200
• D. 100

Answer: A

Explanation:

NEW QUESTION 19
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