Oracle Java SE 11 Developer - 1z1-819 Free Exam Questions

QUESTION NO: 1
Given:

Which two are secure serialization of these objects? (Choose two.)

Correct Answer: B,C
QUESTION NO: 2
Which two statements set the default locale used for formatting numbers, currency, and percentages? (Choose two.)

Correct Answer: B,D
QUESTION NO: 3
Given:

A) An exception is thrown at run time.
B)

C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)

F)
The compilation fails due to an error on line 3.

Correct Answer: E
QUESTION NO: 4
Given the Person class with age and name along with getter and setter methods, and this code fragment:

What will be the result?

Correct Answer: A
QUESTION NO: 5
You are working on a functional bug in a tool used by your development organization. In your investigation, you find that the tool is executed with a security policy file containing this grant.

What action should you take?

Correct Answer: E
QUESTION NO: 6
Given:

What is the result?

Correct Answer: B
Explanation: (Only visible to Actual4test members)
QUESTION NO: 7
Assume ds is a DataSource and the EMP table is defined appropriately.

What does executing this code fragment do?

Correct Answer: B
QUESTION NO: 8
Consider this method declaration:

A) "SET SESSION AUTHORIZATION " + user
B) "SET SESSION AUTHORIZATION " + stmt.enquoteIdentifier(user)
Is A or B the correct replacement for <EXPRESSION> and why?

Correct Answer: E
QUESTION NO: 9
Given:

and omitting the throws FooException clause results in a compilation error.
Which statement is true about FooException?

Correct Answer: D
QUESTION NO: 10
Given:
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar
Which describes the expected output?

Correct Answer: B
Explanation: (Only visible to Actual4test members)
QUESTION NO: 11
Given:

After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?

Correct Answer: A
Explanation: (Only visible to Actual4test members)
QUESTION NO: 12
Given:

What action ensures successful compilation?

Correct Answer: A
Explanation: (Only visible to Actual4test members)

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