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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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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
- Be a professional programmer with Java experience
- Have a desire to get Java certified and earn more money
- 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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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Arrays and Collections | 8% | - Search for elements in a collection - Create a list, set, map, or queue collection - Sort elements in a collection - Iterate through a collection - Use generic types and diamond operator - Filter a collection using lambda expressions |
| Topic 2: Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement polymorphism - Implement inheritance - Apply the final keyword to classes, methods, and fields - Implement encapsulation |
| Topic 3: 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 4: Java Platform Module System | 10% | - Deploy and execute modules - Explain the concept of module exports and requires - Explain the default modules and class path - Declare module dependencies - Use jdeps to determine dependencies - Migrate applications to use modules |
| Topic 5: 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 - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations |
| Topic 6: Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Execute queries and process results - Use parameterized queries - Connect to a database using JDBC |
| Topic 7: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 8: Concurrency | 10% | - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool |
| Topic 9: Controlling Program Flow | 10% | - Use if and if/else statements - Use for, while, and do/while loops - Use break and continue statements - Use switch statements - Use Java control statements |
| Topic 10: Working with Java data types | 12% | - Declare and initialize variables - Create and manipulate strings - Call methods on objects - 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 - Differentiate between object reference variables and primitive variables |
| Topic 11: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data - Prevent Denial of Service (DoS) attacks |
| Topic 12: Exception Handling and Localization | 10% | - Use standard exception classes - Create and throw custom exceptions - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Use assertions |
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