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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.
Average Salary of Java SE 11 Developer Exam Number: 1Z0-819 Certified Professionals
The average salary is between $71k and $103k.
NEW QUESTION 44
Given:
What is the result?
- A. Orange Juice Apple Pie Lemmon Ice Raspberry Tart
- B. Orange Juice
- C. The compilation fails.
- D. The program prints nothing.
Answer: A
Explanation:
NEW QUESTION 45
Given:
What is the result?
A)
B)
C)
D)
- A. Option C
- B. Option A
- C. Option B
- D. Option D
Answer: B
NEW QUESTION 46
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?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: C
NEW QUESTION 47
Given:
It is required that if p instanceof Pairthen p.isValid()returns true.
Which is the smallest set of visibility changes to insure this requirement is met?
- A. isValidmust be public.
- B. leftand rightmust be private.
- C. left, right, setLeft, and setRightmust be private.
- D. setLeftand setRightmust be protected.
Answer: A
NEW QUESTION 48
Given:
Which three classes successfully override printOne()? (Choose three.)
- A. Option A
- B. Option E
- C. Option F
- D. Option B
- E. Option D
- F. Option C
Answer: A,E,F
NEW QUESTION 49
Which is a proper JDBC URL?
- A. http://localhost mysql.jdbc:3306/database
- B. jdbc:mysql://localhost:3306/database
- C. jdbe.mysql.com://localhost:3306/database
- D. http://localhost.mysql.com:3306/database
Answer: B
NEW QUESTION 50
Given:
What is the result?
- A. this is it 3
- B. An IndexOutOfBoundsException is thrown at runtime.
- C. is it 1
- D. this is it 2
- E. is it 0
Answer: D
Explanation:
NEW QUESTION 51
Given:
What is the output?
- A. :APPLE:ORANGE:BANANA
appleorangebanana - B. :APPLE:ORANGE:BANANA
- C. APPLE:apple ORANGE:orange BANANA:banana
- D. apple:APPLE orange:ORANGE banana:BANANA
- E. appleorangebanana
:APPLE:ORANGE:BANANA
Answer: D
Explanation:
NEW QUESTION 52
Which declaration of an annotation type is legal?
@interface Author {
- A. String name() default "";
String date();
}
@interface Author { - B. String name();
String date;
}
@interface Author { - C. String name() default "";
String date();
}
@interface Author extends Serializable { - D. String name() default null;
String date();
}
@interface Author { - E. String name();
String date default "";
}
Answer: C
NEW QUESTION 53
Given:
Which two methods facilitate valid ways to read instance fields? (Choose two.)
- A. getCCount
- B. getTCount
- C. getGCount
- D. getTotalCount
- E. getACount
Answer: A,D
NEW QUESTION 54
Given the Person class with age and name along with getter and setter methods, and this code fragment:
What will be the result?
- A. Tom Peter Aman
- B. Tom Aman Peter
- C. Aman Tom Peter
- D. Aman Peter Tom
Answer: D
NEW QUESTION 55
Given:
executed using command:
java Hello "Hello World" Hello World
What is the output?
- A. Hello WorldHelloWorld
- B. HelloHello WorldHelloWorld
- C. Hello World Hello World
- D. Hello WorldHello World
- E. An exception is thrown at runtime.
Answer: C
NEW QUESTION 56
Given:
Which option should you choose to enable the code to print Something happened?
- A. Add extends Exception on line 1.
Add extends GeneralException on line 2. - B. Add extends SpecificException on line 1.
Add extends GeneralException on line 2. - C. Add extends Exception on line 1.
Add extends Exception on line 2. - D. Add extends GeneralException on line 1.
Add extends Exception on line 2.
Answer: A
Explanation:
NEW QUESTION 57
Which code fragment represents a valid Comparatorimplementation?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION 58
Given the code fragment:
Which "for" loop produces the same output?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: C
NEW QUESTION 59
Given:
What is the type of x?
- A. String
- B. char
- C. List<String>
- D. List<Character>
Answer: A
NEW QUESTION 60
Given:
What code must you insert on Line 1 to enable the code to print Hello world?
- A. Hello myH = new Hello();
Hello.Greeting myG = myH.new Hello.Greeting();
myG.sayHi(); - B. Hello myH = new Hello();
Hello.Greeting myG = myH.new Greeting();
myG.sayHi(); - C. Hello myH = new Hello(); Greeting myG = new Greeting(); myG.sayHi ();
- D. Hello.Greeting myG = new Hello.Greeting() myG.sayHi();
Answer: B
NEW QUESTION 61
Given:
This code results in a compilation error.
Which code should be inserted on line 1 for a successful compilation?
- A. Consumer consumer = System.out::print;
- B. Consumer consumer = (String args) > System.out.print(args);
- C. Consumer consumer = var arg > {System.out.print(arg);};
- D. Consumer consumer = msg -> { return System.out.print(msg); };
Answer: A
Explanation:
NEW QUESTION 62
Given:
Which two interfaces can be used in lambda expressions? (Choose two.)
- A. MyInterface5
- B. MyInterface4
- C. MyInterface2
- D. MyInterface1
- E. MyInterface3
Answer: A,C
NEW QUESTION 63
Given an application with a main module that has this module-info.java file:
Which two are true? (Choose two.)
- A. A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.
- B. A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.
- C. To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.
- D. An implementation of country.countryDetails can be added to the main module.
- E. To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails.
Answer: A,C
NEW QUESTION 64
......
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Passing Score: 60% or higher
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Length of Exam: 85 min
- Types of questions: Performance Based Questions
- No. of Questions: 60 Questions
- Examination Fees: $250 USD
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