Exam Name: Java SE 11 Developer (1Z0-819日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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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:
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- 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
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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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Handle text using String and StringBuilder classes
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
- Use local variable type inference, including as lambda parameters
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Use synchronized blocks and the volatile keyword |
| Controlling Program Flow | 10% | - Use if and if/else statements - Use switch statements - Use break and continue statements - Use for, while, and do/while loops - Use Java control statements |
| 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 |
| Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use standard exception classes - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use assertions |
| Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline |
| Java Platform Module System | 10% | - Use jdeps to determine dependencies - Migrate applications to use modules - Explain the concept of module exports and requires - Explain the default modules and class path - Declare module dependencies - Deploy and execute modules |
| Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Read or write to object fields - Declare and initialize variables - Create and manipulate strings - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
| Working with Java OOP | 15% | - Implement encapsulation - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Implement inheritance - Apply the static keyword to methods and fields - Create inner classes and use them within other classes - Use abstract classes and interfaces |
| Secure Coding in Java SE Application | 5% | - Validate user input - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks |
| 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 |
| Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Filter a collection using lambda expressions - Iterate through a collection - Search for elements in a collection - Create a list, set, map, or queue collection - Sort elements in a collection |
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