1z0-819 Oracle Java SE 11 Developer exact Exam Questions

Java SE 11 Developer

Last Update 19 hours ago Total Questions : 296

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Question # 51

Given:

What is the result?

null

nothing

It fails to compile.

java.lang.IllegalAccessException is thrown.

Student

Question # 52

Given:

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

values array is partially sorted?

after line 8

after line 6

after line 5

after line 10

Question # 53

Given:

If file " App.config " is not found, what is the result?

Configuration is OK

The compilation fails.

Exception in thread " main " java.lang.Error:Fatal Error: Configuration File, App.config, is missing.

nothing

Question # 54

Assume ds is a DataSource and the EMP table is defined appropriately.

What does executing this code fragment do?

inserts two rows (101, ' SMITH ' , ' HR ' ) and (102, ' JONES ' , NULL)

inserts two rows (101, ' SMITH ' , ' HR ' ) and (102, ' JONES ' , ' HR ' )

inserts one row (101, ' SMITH ' , ' HR ' )

throws a SQLException

Question # 55

Given the code fragment:

Which two code fragments, independently, replace line 1 to implement the equivalent reduce operation?

Option A

Option B

Option C

Option D

Option E

Question # 56

Given the code fragment:

Which two code snippets inserted independently inside print method print Mondial: domainmodal?

prefix + name

prefix + getName

new Main (} .prefix + new Main().name

prefix + Main, name

Main.prefix + Main.name

Main.prefix + Main.getName()

Question # 57

Given:

What is the expected result of javac?

javac fails to compile the class and prints the error message, C:\workspace4\Mycar.java:1:error: package java does not exist

javac compiles Mycar.java without errors or warnings.

javac fails to compile the class and prints the error message, C:\workspace4\Mycar.java:1:error: expected import java.lang

javac fails to compile the class and prints the error message, Error: Could not find or load main class Mycar.class

Question # 58

Given:

and:

Which code, when inserted on line 10, prints the number of unique localities from the roster list?

.map(Employee::getLocality)

.distinct()

.count();

map(e − > e.getLocality())

.count();

.map(e − > e.getLocality())

.collect(Collectors.toSet())

.count();

.filter(Employee::getLocality)

.distinct()

.count();

Question # 59

Given:

What is the result?

The compilation fails.

Y@ < < hashcode > >

Null

Question # 60

Your organization provides a cloud server to your customer to run their Java code. You are reviewing the changes for the next release and you see this change in one of the config files: