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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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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:
- Have a desire to get Java certified and earn more money
- Desirable to have completed some or all of my Java Masterclass
- Be a professional programmer with Java experience
- Exposure to the Java programming language
- 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.
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You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Sort elements in a collection - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Iterate through a collection - Search for elements in a collection |
| Topic 2: Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Topic 3: Working with Java data types | 12% | - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables - Create and manipulate strings - Read or write to object fields - Differentiate between object reference variables and primitive variables |
| Topic 4: Controlling Program Flow | 10% | - Use Java control statements - Use for, while, and do/while loops - Use if and if/else statements - Use break and continue statements - Use switch statements |
| Topic 5: Java Platform Module System | 10% | - Deploy and execute modules - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Migrate applications to use modules - Explain the default modules and class path - Declare module dependencies |
| Topic 6: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Create worker threads using Runnable and Thread objects - Identify potential threading problems |
| Topic 7: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Use assertions - Describe the advantages of exception handling - Use standard exception classes - Create and throw custom exceptions |
| Topic 8: Working with Java OOP | 15% | - Implement encapsulation - Create inner classes and use them within other classes - Implement polymorphism - Use abstract classes and interfaces - Apply the static keyword to methods and fields - Implement inheritance - Apply the final keyword to classes, methods, and fields |
| Topic 9: Database Applications with JDBC | 5% | - Use parameterized queries - Connect to a database using JDBC - Execute queries and process results - Describe the advantages of using a connection pool |
| Topic 10: Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data |
| Topic 11: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files |
| Topic 12: Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions - Use method references with streams - Describe the Stream interface and pipeline |
