Free Oracle 1Z0-819 Exam Practice Questions 2026

Stay ahead with 100% Free Java SE 11 Developer 1Z0-819 Practice Test Questions Dumps

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Total 515 Questions | Updated On: Jul 23, 2026

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Question 1

Given:

2021-04-27-22-23-17-3d4ddcb379cef75d65c8f83ed91c42db

Which statement on line 1 enables this code fragment to compile?

A : Function function = String::toUpperCase;

B : UnaryOperator function = s > s.toUpperCase();

C : UnaryOperator function = String::toUpperCase;

D : Function function = m > m.toUpperCase();

Answer: C

Question 2

Given the code fragment:

What is the result?

A : ab cd ef

B : An ArrayIndexOutOfBoundsException is thrown at runtime.

C : The compilation fails.

D : abc def

E : ad be cf

Answer: A

Question 3

Given:

What is the result?

A : The compilation fails.

B : 1.99,2.99,0

C : 1.99,2.99,0.0

D : 1.99,2.99 222

Answer: A

Question 4

Given:

Which two allow a.Main to allocate a new Person? (Choose two.)

A : In Line 1, change the access modifier to privateprivate Person() {

B : In Line 1, change the access modifier to publicpublic Person() {

C : In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();

D : In Line 2, change the access modifier to protectedprotected class Main {

E : In Line 1, remove the access modifierPerson() {

Answer: B,C

Question 5

Given the code fragment:

Which statement at line 1 will print Ping Pong?

A :

B :

C :

D :

Answer: C

Page: 1 / 103

Total 515 Questions | Updated On: Jul 23, 2026

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