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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:
- Exposure to the Java programming language
- Be a professional programmer with Java experience
- Desirable to have completed some or all of my Java Masterclass
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- 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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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.
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Iterate through a collection - Sort elements in a collection - Search for elements in a collection - Use generic types and diamond operator |
| Working with Java OOP | 15% | - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Apply the static keyword to methods and fields - Create inner classes and use them within other classes - Implement encapsulation - Implement inheritance |
| Java Platform Module System | 10% | - Explain the concept of module exports and requires - Explain the default modules and class path - Use jdeps to determine dependencies - Declare module dependencies - Deploy and execute modules - Migrate applications to use modules |
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Validate user input - Prevent SQL injection and other attacks |
| Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool |
| Controlling Program Flow | 10% | - Use break and continue statements - Use Java control statements - Use for, while, and do/while loops - Use switch statements - Use if and if/else statements |
| Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams |
| Working with Java data types | 12% | - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Call methods on objects - Differentiate between object reference variables and primitive variables |
| I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - 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 Path interface to manipulate file paths |
| Annotations | 5% | - Create custom annotations - Describe the purpose of annotations - Apply standard annotations to classes and methods |
| Exception Handling and Localization | 10% | - Use standard exception classes - Use assertions - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation |
| Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Describe the advantages of using a connection pool - Use parameterized queries |
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