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

Preparation Guide for Java SE 11 Developer Exam Number: 1Z0-819 Introduction for Java SE 11 Developer Exam Number: 1Z0-819 1Z0-006 exam is for those that have completed the Database Foundations, Database Design and Programming with SQL (Oracle Academy training), Oracle Database 12c Administration Workshop or Oracle Database Introduction to SQL training. Passing this exam gives the certification credential demonstrating your understanding of the different types of database models and components. And, you will enhance knowledge of database components, concepts and design, implementation of business roles, SQL language and queries, and ERD modeling and languages to manage data and transactions. The Java SE 11 Developer Exam Number: 1Z0-819 is recommended for the following candidates who have:

• Desirable to have completed some or all of my Java Masterclass
• Exposure to the Java programming language
• Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
• Be a professional programmer with Java experience
• Have a desire to get Java certified and earn more money

Becoming Java certified is a great way to help improve your career options with more job opportunities and more pay. That's because Oracle's Java certification program, unlike many other certifications out there, has real value in the industry. One of the main reasons is that it's an official Oracle certification, but second, the exam is quite difficult to pass.Employers see programmers who are Java certified as more valuable than programmers who are not certified. So it's totally worth getting Java certified to take advantage of this. ORACLE 1Z0-006 practice exams and ORACLE 1Z0-006 practice exams are designed specifically for candidates to gain an uperhand on experience and knowledge to get through this exam. >> 1z1-819 Exam Collection Pdf <<

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Oracle Java SE 11 Developer Sample Questions (Q27-Q32):

NEW QUESTION # 27
Given:

What is required to make the Foo class thread safe?

• A. No change is required.
• B. Make the declaration of lock static.
• C. Move the declaration of lock inside the foo method.
• D. Replace the lock constructor call with new ReentrantLock (true).

Answer: D
NEW QUESTION # 28
Given the code fragment:

You want to examine whether path is a directory.
Which code inserted on line 1 will accomplish this?

• A. BasicFileAttributes attributes = Files, readAttributes (path, FileAttributes, class);
• B. BasicFileAttributes attributes = Files.readAttributes(path, BasicFileAttributes.class
• C. BasicFileAttributes attributes =Files.getAttribute (path, ''insdirectory'');
• D. BasicFileAttributes attributes = Files isDirectory (path);

Answer: A
NEW QUESTION # 29
Which two safely validate inputs? (Choose two.)

• A. Delegate numeric range checking of values to the database.
• B. Accept only valid characters and input values.
• C. Assume inputs have already been validated.
• D. Use trusted domain-specific libraries to validate inputs.
• E. Modify the input values, as needed, to pass validation.

Answer: A,B Explanation:
Reference:
/validating-input-using-java-util-scanner
NEW QUESTION # 30
Given:

Which two independent changes will make the Main class compile? (Choose two.)

• A. Change line 1 to public class Student {.
• B. Change line 1 to static class Student {.
• C. Change line 3 to Student student = new Student("Biology");.
• D. Change line 2 to public Student(String classname).
• E. Move the entire Student class declaration to a separate Java file, Student.java.

Answer: C,D Explanation:

NEW QUESTION # 31
Given:

Which is true?

• A. The compilation fails due to an error in line 6.
• B. The compilation fails due to an error in line 2.
• C. The compilation fails due to an error in line 7.
• D. The compilation fails due to an error in line 10.
• E. The compilation fails due to an error in line 9.
• F. The compilation succeeds.
• G. The compilation fails due to an error in line 4.

Answer: A
NEW QUESTION # 32
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