PDF Version DemoHow 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:
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- Exposure to the Java programming language
- Have a desire to get Java certified and earn more money
- Be a professional programmer with Java experience
- Desirable to have completed some or all of my Java Masterclass
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
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For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks |
| Topic 2: 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 |
| Topic 3: Working with Java OOP | 15% | - Implement polymorphism - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement inheritance |
| Topic 4: Working with Java data types | 12% | - Declare and initialize variables - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields |
| Topic 5: Database Applications with JDBC | 5% | - Use parameterized queries - Execute queries and process results - Connect to a database using JDBC - Describe the advantages of using a connection pool |
| Topic 6: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 7: Controlling Program Flow | 10% | - Use break and continue statements - Use for, while, and do/while loops - Use Java control statements - Use switch statements - Use if and if/else statements |
| Topic 8: Working with Arrays and Collections | 8% | - Iterate through a collection - Sort elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Search for elements in a collection |
| Topic 9: Java Platform Module System | 10% | - Declare module dependencies - Migrate applications to use modules - Use jdeps to determine dependencies - Explain the default modules and class path - Explain the concept of module exports and requires - Deploy and execute modules |
| Topic 10: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - 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 |
| Topic 11: Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Use assertions - Use standard exception classes |
| Topic 12: Working with Streams and Lambda expressions | 13% | - Use method references with streams - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations - Describe the Stream interface and pipeline - Filter a collection using lambda expressions |
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