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Java SE Changed 1z0-809 Questions

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Total 196 questions
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Java SE 8 Programmer II Questions and Answers

Question 21

Given the code fragment:

What is the result?

Options:

A.

Word: why what when

B.

Word: why Word: why what Word: why what when

C.

Word: why Word: what Word: when

D.

Compilation fails at line n1.

Question 22

Given:

and the code fragment:

Which modification enables the code fragment to print Speaker?

Options:

A.

Implement Predicate in the Product.ProductFilter class and replace line n2 with .filter (p -> p.ProductFilter.test (p))

B.

Replace line n1 with:public static boolean isAvailable (Product p) {

C.

Replace line n2 with:.filter (p -> p.ProductFilter: :isAvailable (p))

D.

Replace line n2 with:.filter (p -> Product: :ProductFilter: :isAvailable ())

Question 23

Given:

What is the result?

Options:

A.

IT:null

B.

A NullPointerException is thrown at run time.

C.

A compilation error occurs.

D.

IT:0.0

Question 24

Given the content of /resourses/Message.properties:

welcome1=”Good day!”

and given the code fragment:

Properties prop = new Properties ();

FileInputStream fis = new FileInputStream (“/resources/Message.properties”);

prop.load(fis);

System.out.println(prop.getProperty(“welcome1”));

System.out.println(prop.getProperty(“welcome2”, “Test”));//line n1

System.out.println(prop.getProperty(“welcome3”));

What is the result?

Options:

A.

Good day!Testfollowed by an Exception stack trace

B.

Good day!followed by an Exception stack trace

C.

Good day!Testnull

D.

A compilation error occurs at line n1.

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Total 196 questions
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