Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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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
- Have a desire to get Java certified and earn more money
- Be a professional programmer with Java experience
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
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.
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What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy
Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Java data types | 12% | - Read or write to object fields - Declare and initialize variables - Create and manipulate strings - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables |
| Exception Handling and Localization | 10% | - Use assertions - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use standard exception classes |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use NIO2 API to work with file systems and file attributes - Use Stream API with files |
| Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Search for elements in a collection - Iterate through a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Sort elements in a collection |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool |
| Controlling Program Flow | 10% | - Use if and if/else statements - Use for, while, and do/while loops - Use Java control statements - Use switch statements - Use break and continue statements |
| Secure Coding in Java SE Application | 5% | - Validate user input - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks |
| Java Platform Module System | 10% | - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Explain the concept of module exports and requires - Migrate applications to use modules - Use jdeps to determine dependencies |
| Annotations | 5% | - Create custom annotations - Describe the purpose of annotations - Apply standard annotations to classes and methods |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Use parameterized queries - Execute queries and process results - Connect to a database using JDBC |
| Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Filter a collection using lambda expressions |
| Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Implement inheritance - Apply the static keyword to methods and fields - Implement encapsulation - Implement polymorphism - Create inner classes and use them within other classes - Use abstract classes and interfaces |
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