Latest 1Z0-819 Exam Dumps Oracle Exam from Training Expert BraindumpsPass [Q37-Q56]

Latest 1Z0-819 Exam Dumps Oracle Exam from Training Expert BraindumpsPass

Pass Oracle Java SE 11 Developer PDF Dumps | Recently Updated 215 Questions

How much Java SE 11 Developer Exam Number: 1Z0-819 costs

• Passing Score: 60% or higher
• Length of Exam: 85 min
• Types of questions: Performance Based Questions
• Examination Fees: $250 USD

NO.37 Given:

and

What is the result?

 A NullPointerException is thrown at run time.

 The compilation fails.

 1
Null
null

 1
1
1

 A ClassCastException is thrown at run time.

NO.38 Given the code fragment:
var pool = Executors.newFixedThreadPool(5);
Future outcome = pool.submit(() > 1);
Which type of lambda expression is passed into submit()?

 java.lang.Runnable

 java.util.function.Predicate

 java.util.function.Function

 java.util.concurrent.Callable

NO.39 Given:

What is the result?

 watermelonorangelemongrapeapricotapple

 nothing

 appleapricotgrapelemonorangewatermelon

 appleorangegrapelemonapricotwatermelon

NO.40 Given:

What is the result?

 A ClassCastException is thrown at runtime.

 AnotherClass#methodA()AnotherClass#methodA()

 The compilation fails.

 SomeClass#methodA()AnotherClass#methodA()

 AnotherClass#methodA()SomeClass#methodA()

 SomeClass#methodA()SomeClass#methodA()

NO.41 Given the code fragment:

What is the result?

 ab cd ef

 An ArrayIndexOutOfBoundsException is thrown at runtime.

 The compilation fails.

 abc def

 ad be cf

NO.42 Given:

What is the result?

 nothing

 0

 10

 0 4 9

NO.43 Given:

Which three are correct? (Choose three.)

 b1.foo(li) prints Hello world!

 f1.foo(li) prints Bonjour le monde!

 f1.foo(li) prints Hello world!

 f1.foo(li) prints Hola Mundo!

 b1.foo(li) prints Bonjour le monde!

 f2.foo(li) prints Hola Mundo!

 f2.foo(li) prints Bonjour le monde!

 b1.foo(li) prints Hola Mundo!

 f2.foo(li) prints Hello world!

NO.44 Given:

executed with this command:
java Main one two three
What is the output of this class?

 The compilation fails.

 1) one2) two3) three

 A java.lang.ArrayIndexOutOfBoundsException is thrown.

 1) one

 nothing

NO.45 Given:

What is the result?

 6910 3

 10126 3

 3

 6104 3

NO.46 Given the code fragment:

What is the result?

 An ArrayIndexOutofBoundsException is thrown at runtime.

 The compilation fails.

 gh ij kl

 gj hk il

 ghi jkl

NO.47 Given:

Which statement on line 1 enables this code to compile?

 Function<Integer, Integer> f = n > n * 2;

 Function<Integer> f = n > n * 2;

 Function<int> f = n > n * 2;

 Function<int, int> f = n > n * 2;

 Function f = n > n * 2;

NO.48 A company has an existing sales application using a Java 8 jar file containing packages:
com.company.customer;
com.company.customer.orders;
com.company.customer.info;
com.company.sales;
com.company.sales.leads;
com.company.sales.closed;
com.company.orders;
com.company.orders.pending;
com.company.orders.shipped.
To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct?
A)

B)

C)

D)

 Option A

 Option B

 Option C

 Option D

NO.49 Given:

Which annotation should be used to remove warnings from compilation?

 @SuppressWarnings on the main and print methods

 @SuppressWarnings(“unchecked”) on main and @SafeVarargs on the print method

 @SuppressWarnings(“rawtypes”) on main and @SafeVarargs on the print method

 @SuppressWarnings(“all”) on the main and print methods

NO.50 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.

 Option A

 Option B

 Option C

 Option D

 Option E

 Option F

NO.51 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()

NO.52 Given:

What is the result?

 2134

 2143

 214

 234

NO.53 Given:

What is the result?

 [0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet

 [0,0] = Red[1,0] = Black[2,0] = Blue

 java.lang.ArrayIndexOutOfBoundsException thrown

 [0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet

NO.54 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.55 Given:

What is the result?

 b1

 2

 b2

 1

 b3

 3

 The compilation fails due to an error in line 1.

NO.56 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

 Loading …

How to Prepare For Java SE 11 Developer Exam Number: 1Z0-819

Preparation Guide for Java SE 11 Developer Exam Number: 1Z0-819

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