NEW QUESTION 1
Analyze the code:

Which two options can you insert inside println method to produce Global:namescope? (Choose two.)

• A. Test.prefix+Test.name
• B. new Test().prefix+new Test().name
• C. Test.prefix+Test.getName()
• D. Test.getName+prefix
• E. prefix+Test.name
• F. prefix+name

Answer: BC

NEW QUESTION 2
Given:

What is the result?

• A. null
• B. nothing
• C. It fails to compile.
• D. java.lang.IllegalAccessException is thrown.
• E. Student

Answer: C

NEW QUESTION 3
Given:

After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?

• A. after line 8
• B. after line 6
• C. after line 5
• D. after line 10

Answer: B

Explanation:

NEW QUESTION 4
Given the code fragment:

Which “for” loop produces the same output?

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

Answer: C

NEW QUESTION 5
Given:

Which would cause s to be AQCD?

• A. s.replace(s.indexOf(“A”), s.indexOf(“C”), “Q”);
• B. s.replace(s.indexOf(“B”), s.indexOf(“C”), “Q”);
• C. s.replace(s.indexOf(“B”), s.indexOf(“B”), “Q”);
• D. s.replace(s.indexOf(“A”), s.indexOf(“B”), “Q”);

Answer: B

NEW QUESTION 6
Which three annotation uses are valid? (Choose three.)

• A. Function<String, String> func = (@NonNull x) > x.toUpperCase();
• B. var v = “Hello” + (@Interned) “World”
• C. Function<String, String> func = (var @NonNull x) > x.toUpperCase();
• D. Function<String, String> func = (@NonNull var x) > x.toUpperCase();
• E. var myString = (@NonNull String) str;
• F. var obj = new @Interned MyObject();

Answer: ACF

NEW QUESTION 7
Given:

executed using this command: java Myclass My Car is red What is the output of this class?

• A. Car--red--My
• B. My--Car--is
• C. My--is--java
• D. java--Myclass--My
• E. Myclass--Car--red

Answer: A

NEW QUESTION 8
Given:

and

What is the result?

• A. A NullPointerException is thrown at run time.
• B. The compilation fails.
• C. 1Null null
• D. 111
• E. A ClassCastException is thrown at run time.

Answer: B

Explanation:

NEW QUESTION 9
Which describes an aspect of Java that contributes to high performance?

• A. Java prioritizes garbage collection.
• B. Java has a library of built-in functions that can be used to enable pipeline burst execution.
• C. Java monitors and optimizes code that is frequently executed.
• D. Java automatically parallelizes code execution.

Answer: C

NEW QUESTION 10
Which two statements are correct about try blocks? (Choose two.)

• A. A try block can have more than one catch block.
• B. A finally block in a try-with-resources statement executes before the resources declared are closed.
• C. A finally block must be immediately placed after the try or catch blocks.
• D. A try block must have a catch block and a finally block.
• E. catch blocks must be ordered from generic to specific exception types.

Answer: AC

NEW QUESTION 11
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 12
Given:

Assuming that this code compiles correctly, which three statements are true? (Choose three.)

• A. B cannot be abstract.
• B. B is a subtype of A.
• C. A cannot be abstract.
• D. A cannot be final.
• E. B cannot be final.
• F. A is a subtype of B.

Answer: ABD

NEW QUESTION 13
Given:

Which annotation should be used to remove warnings from compilation?

• A. @SuppressWarnings on the main and print methods
• B. @SuppressWarnings(“unchecked”) on main and @SafeVarargs on the print method
• C. @SuppressWarnings(“rawtypes”) on main and @SafeVarargs on the print method
• D. @SuppressWarnings(“all”) on the main and print methods

Answer: B

Explanation:

NEW QUESTION 14
Examine this excerpt from the declaration of the java.se module:

What does the transitive modifier mean?

• A. Only a module that requires the java.se module is permitted to require the java.sql module.
• B. Any module that requires the java.se module does not need to require the java.sql module.
• C. Any module that attempts to require the java.se module actually requires the java.sql module instead.
• D. Any module that requires the java.sql module does not need to require the java.se module.

Answer: A

NEW QUESTION 15
var numbers = List.of(0,1,2,3,4,5,6,7,8,9);
You want to calculate the average of numbers. Which two codes will accomplish this? (Choose two.)

• A. double avg = numbers.stream().parallel().averagingDouble(a > a);
• B. double avg = numbers.parallelStream().mapToInt (m > m).average().getAsDouble ();
• C. double avg = numbers.stream().mapToInt (i > i).average().parallel();
• D. double avg = numbers.stream().average().getAsDouble();
• E. double avg = numbers.stream().collect(Collectors.averagingDouble(n > n));

Answer: BD

Explanation:

NEW QUESTION 16
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