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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
- 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)
- Be a professional programmer with Java experience
- Exposure to the Java programming language
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
For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| I/O (Fundamentals and NIO2) | 7% | - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Use Stream API with files |
| Exception Handling and Localization | 10% | - Use standard exception classes - Describe the advantages of exception handling - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Use assertions |
| Database Applications with JDBC | 5% | - Connect to a database using JDBC - Execute queries and process results - Describe the advantages of using a connection pool - Use parameterized queries |
| Java Platform Module System | 10% | - Explain the concept of module exports and requires - Deploy and execute modules - Migrate applications to use modules - Explain the default modules and class path - Use jdeps to determine dependencies - Declare module dependencies |
| Working with Java OOP | 15% | - Implement encapsulation - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Implement inheritance - Implement polymorphism |
| Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Use method references with streams - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions |
| Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Create and manipulate strings - Call methods on objects |
| Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Validate user input - Prevent Denial of Service (DoS) attacks - Secure sensitive data |
| Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Sort elements in a collection - Search for elements in a collection - Iterate through a collection - Create a list, set, map, or queue collection - Filter a collection using lambda expressions |
| Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Identify potential threading problems |
| Controlling Program Flow | 10% | - Use Java control statements - Use for, while, and do/while loops - Use switch statements - Use if and if/else statements - Use break and continue statements |
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