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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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