1z1-819 Questions Pass on Your First Attempt Dumps for Oracle Java SE Certified [Q68-Q83]

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1z1-819 Questions Pass on Your First Attempt Dumps for Oracle Java SE Certified

1z1-819 Practice Test Pdf Exam Material

Who should take the Java SE 11 Developer Exam Number: 1Z0-819

This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.

NO.68 Given:
LocalDate d1 = LocalDate.of(1997,2,7);
DateTimeFormatter dtf =
DateTimeFormatter.ofPattern( /*insert code here*/ );
System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?

“eeee dd+”th of”+ MMM yyyy”

“eeee dd’th of’ MMM yyyy”

“eeee d+”th of”+ MMMM yyyy”

“eeee d’th of’ MMMM yyyy”

NO.69 Given:

Why does D cause a compilation error?

D inherits a() only from C.

D inherits a() from B and C but the return types are incompatible.

D extends more than one interface.

D does not define any method.

NO.70 Given:

What is the result?

null

nothing

It fails to compile.

java.lang.IllegalAccessException is thrown.

Student

NO.71 Given the code fragment:

What is the result?

-1 : 2

2 : -1

2 : 3

3 : 0

NO.72 Given:

Which two method implementations are correct, when inserted independently in line 1? (Choose two.)

Option A

Option B

Option C

Option D

Option E

NO.73 Given:

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

Function function = String::toUpperCase;

UnaryOperator function = s -> s.toUpperCase();

UnaryOperator<String> function = String::toUpperCase;

Function<String> function = m -> m.toUpperCase();

NO.74 Given:

Which is true?

System.out is the standard output stream. The stream is open only when System.out is called.

System.in cannot reassign the other stream.

System.out is an instance of java.io.OutputStream by default.

System.in is the standard input stream. The stream is already open.

NO.75 Given:

and

and

What is the result?

The program prints Process()called 2.

A java.lang.NoSuchMethodExceptionis thrown.

The program prints Process()called 1.

A java.lang.IllegalAccessExceptionis thrown.

The compilation fails.

NO.76 Given:

What is the output?

A compilation error is thrown.

Message from Copier: Attempt00

Message from Abstract Copier: Attempt00

A runtime error is thrown.

NO.77 Given:

Which two changes need to be made to make this class compile? (Choose two.)

Change Line 1 to an abstract class:public abstract class API {

Change Line 2 access modifier to protected:protected void checkValue(Object value)throws IllegalArgumentException;

Change Line 1 to a class:public class API {

Change Line 1 to extend java.lang.AutoCloseable:public interface API extends AutoCloseable {

Change Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;

NO.78 Given:

executed using this command:
java Myclass My Car is red
What is the output of this class?

Car–red–My

My–Car–is

My–is–java

java–Myclass–My

Myclass–Car–red

NO.79 Given:

Which statement is true?

Class Tester does not need to import java.time.LocalDate because it is already visible to members of the package test.

All classes from the package java.time. are loaded for the class Diary.

Only LocalDate class from java.time package is loaded.

Tester must import java.time.LocalDate in order to compile.

NO.80 Which two statements independently compile? (Choose two.)

List<? super Short> list = new ArrayList<Number>();

List<? super Number> list = new ArrayList<Integer>();

List<? extends Number> list = new ArrayList<Byte>();

List<? extends Number> list = new ArrayList<Object>();

List<? super Float> list = new ArrayList<Double>();

NO.81 A bookstore’s sales are represented by a list of Sale objects populated with the name of the customer and the books they purchased.
public class Sale {
private String customer;
private List<Book> items;
// constructor, setters and getters not shown
}
public class Book {
private String name;
private double price;
// constructor, setters and getters not shown
}
Given a list of Sale objects, tList, which code fragment creates a list of total sales for each customer in ascending order?

Option A

Option B

Option C

Option D

NO.82 Given the code fragment:

Which code fragment replaces the for statement?

IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);

IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);

intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);

IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);

NO.83

And the code fragment:

Which situation will occur on code fragment execution?

Livelock

Deadlock

Race Condition

Starvation

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