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Oracle Updated 1z0-819 Exam Questions and Answers by zander

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Oracle 1z0-819 Exam Overview :

Exam Name: Java SE 11 Developer
Exam Code: 1z0-819 Dumps
Vendor: Oracle Certification: Java SE
Questions: 296 Q&A's Shared By: zander
Question 12

Questions 12

Given:

Which statement on line 1 enables this code to compile?

Options:

A.

Consumer function = (String f) -> (System.out.println(f);};

B.

Supplier function = () -> fruits.get (0);

C.

Predicate function = a -> a.equals("banana");

D.

Function function = x -> x.substring(0,2);

Discussion
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Question 13

Given:

Questions 13

What is the result?

Options:

A.

WorkingUnknown

B.

Unknown

C.

TuesdayUnknown

D.

The compilation fails.

E.

Tuesday

F.

Working

Discussion
Question 14

Which describes a characteristic of setting up the Java development environment?

Options:

A.

Setting up the Java development environment requires that you also install the JRE.

B.

The Java development environment is set up for all operating systems by default.

C.

You set up the Java development environment for a specific operating system when you install the JDK.

D.

Setting up the Java development environment occurs when you install an IDE before the JDK.

Discussion
Question 15

Given:

Questions 15

Which is true?

Options:

A.

The compilation fails due to an error in line 6.

B.

The compilation succeeds.

C.

The compilation fails due to an error in line 4.

D.

The compilation fails due to an error in line 10.

E.

The compilation fails due to an error in line 7.

F.

The compilation fails due to an error in line 9.

G.

The compilation fails due to an error in line 2.

Discussion
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