A Review Of Top Quality 1Z0-819 Testing Software

NEW QUESTION 1
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 2
Given:

What is the result?

• A. The compilation fails at line 9.
• B. The compilation fails at line 2.
• C. Hello World
• D. The compilation fails at line 8.

Answer: C

Explanation:

NEW QUESTION 3
Given:

What is the result?

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

Answer: A

Explanation:

NEW QUESTION 4
Which statement about access modifiers is correct?

• A. An instance variable can be declared with the static modifier.
• B. A local variable can be declared with the final modifier.
• C. An abstract method can be declared with the private modifier.
• D. An inner class cannot be declared with the public modifier.
• E. An interface can be declared with the protected modifier.

Answer: B

NEW QUESTION 5
Given:

What is the result?

• A. The compilation fail
• B. 1.99,2.99,0
• C. 1.99,2.99,0.0
• D. 1.99,2.99

Answer: A

Explanation:

NEW QUESTION 6
Given:

Which statement is equivalent to line 1?

• A. double totalSalary = list.stream().map(e > e.getSalary() * ratio).reduce (bo).ifPresent (p > p.doubleValue());
• B. double totalSalary = list.stream().mapToDouble(e > e.getSalary() * ratio).sum;
• C. double totalSalary = list.stream().map(Employee::getSalary * ratio).reduce (bo).orElse(0.0);
• D. double totalSalary = list.stream().mapToDouble(e > e.getSalary() * ratio).reduce(starts, bo);

Answer: C

Explanation:

NEW QUESTION 7
Which two statements set the default locale used for formatting numbers, currency, and percentages? (Choose two.)

• A. Locale.setDefault(Locale.Category.FORMAT, “zh-CN”);
• B. Locale.setDefault(Locale.Category.FORMAT, Locale.CANADA_FRENCH);
• C. Locale.setDefault(Locale.SIMPLIFIED_CHINESE);
• D. Locale.setDefault(“en_CA”);
• E. Locale.setDefault(“es”, Locale.US);

Answer: BD

NEW QUESTION 8
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 9
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 10
Given:

What is the result?

• A. Map: 0 Keys: 0 Values: 0
• B. The compilation fails.
• C. Map: 4 Keys: 4 Values: 4
• D. Map: 4 Keys: 0 Values: 0
• E. Map: 0 Keys: 4 Values: 4

Answer: D

Explanation:

NEW QUESTION 11
Given:

Which two statements are valid to be written in this interface? (Choose two.)

• A. public abstract void methodB();
• B. final void methodG(){System.out.println(“G”);}
• C. private abstract void methodC();
• D. public String methodD();
• E. public int x;
• F. final void methodE();
• G. public void methodF(){System.out.println(“F”);}

Answer: AD

NEW QUESTION 12
Given:

What is the result?

• A. null
• B. Joe Bloggs
• C. The compilation fails due to an error in line 1.
• D. p1

Answer: C

Explanation:

NEW QUESTION 13
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 14
Which interface in the java.util.function package will return a void return type?

• A. Supplier
• B. Predicate
• C. Function
• D. Consumer

Answer: D

NEW QUESTION 15
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 16
Given:
List<String> longlist = List.of(“Hello”,”World”,”Beat”); List<String> shortlist = new ArrayList<>();
Which code fragment correctly forms a short list of words containing the letter “e”?

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

Answer: C

NEW QUESTION 17
Given:

What is the output?

• A. Hello world!Bonjour le monde!
• B. Hello world!Hello world!
• C. Bonjour le monde!Hello world!
• D. Bonjour le monde!Bonjour le monde!

Answer: C

Explanation:

NEW QUESTION 18
Which interface in the java.util.function package can return a primitive type?

• A. ToDoubleFunction
• B. Supplier
• C. BiFunction
• D. LongConsumer

Answer: A

NEW QUESTION 19
Given:
var data = new ArrayList<>(); data.add(“Peter”);
data.add(30); data.add(“Market Road”); data.set(1, 25); data.remove(2); data.set(3, 1000L); System.out.print(data); What is the output?

• A. [Market Road, 1000]
• B. [Peter, 30, Market Road]
• C. [Peter, 25, null, 1000]
• D. An exception is thrown at run time.

Answer: D

Explanation:

NEW QUESTION 20
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