Exam Name: Java SE 11 Developer (1Z0-819日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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If you have at least some programming experience, we recommend using the ORACLE 1Z0-006 practice exam and ORACLE 1Z0-006 practice exams exam dumps and practice exams written for exam 1z0-816 and it covers most of what will be on the exam. TestKingsIT.con also has practice exams to prepare for the exam. Also, you can find mock exams to check the knowledge learned after reading the book.
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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:
- Be a professional programmer with Java experience
- Have a desire to get Java certified and earn more money
- Exposure to the Java programming language
- Desirable to have completed some or all of my Java Masterclass
- 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.
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.
How to book the Java SE 11 Developer Exam Number: 1Z0-819
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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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:
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Deploy and execute modular applications, including automatic modules
- Define and use fields and methods, including instance, static and overloaded methods
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Read and write console and file data using I/O Streams
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Create and use enumerations
- Create, apply, and process annotations
- Handle file system objects using java.nio.file API
- Implement serialization and deserialization techniques on Java objects
- Create and use subclasses and superclasses, including abstract classes
- Initialize objects and their members using instance and static initialiser statements and constructors
- Declare, use, and expose modules, including the use of services
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Arrays and Collections | 8% | - Search for elements in a collection - Sort elements in a collection - Filter a collection using lambda expressions - Use generic types and diamond operator - Iterate through a collection - Create a list, set, map, or queue collection |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Secure Coding in Java SE Application | 5% | - Validate user input - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Connect to a database using JDBC - Execute queries and process results - Use parameterized queries |
| Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement polymorphism - Implement encapsulation - Apply the static keyword to methods and fields - Implement inheritance |
| Java Platform Module System | 10% | - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Explain the concept of module exports and requires - Migrate applications to use modules - Use jdeps to determine dependencies |
| Exception Handling and Localization | 10% | - Use assertions - Use standard exception classes - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions |
| 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 |
| Concurrency | 10% | - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks |
| Working with Streams and Lambda expressions | 13% | - Use method references with streams - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions |
| Working with Java data types | 12% | - Create and manipulate strings - Declare and initialize variables - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Read or write to object fields - Manipulate data using the StringBuilder class and its methods |
| Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use if and if/else statements - Use for, while, and do/while loops - Use switch statements |
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