Free Oracle 1Z0-819 Exam Questions

Become Oracle Certified with updated 1Z0-819 exam questions and correct answers

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Total 515 Questions | Updated On: May 21, 2026

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Question 1

Given:

What is the result?

A : The compilation fails.

B : abdf

C : abd

D : adf

E : abcd

Answer: A

Question 2

Assuming the user credentials are correct, which expression will create a Connection?

A :

B :

C :

D :

E :

Answer: D

Question 3

Which is a proper JDBC URL?

A : jdbe.mysql.com://localhost:3306/database

B : http://localhost.mysql.com:3306/database

C : http://localhostmysql.jdbc:3306/database

D : jdbc:mysql://localhost:3306/database

Answer: D

Question 4

Given:

Which code, when inserted at one or more marked positions, would allow classes B and C to compile?

A : @Override // position 3void x () {} // position 3@Override // position 3public void z() { } // position 3

B : @Override // position 2public void z() { } // position 3

C : implements A // position 1@Override // position 2

D : public void z() { } // position 3

Answer: B

Question 5

Which two statements are true about a class that is marked @Deprecated?

A : There Is always another class that can be used Instead of the deprecated class.

B : Using the class will cause the Java compiler to give a warning.

C : The class cannot be extended.

D : The author of the class wants to discourage people from using the class in any way.

E : Using the class Is guaranteed to cause errors at runtime.

Answer: B,D

Page: 1 / 103

Total 515 Questions | Updated On: May 21, 2026

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