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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Java I/O API
- Java Object-Oriented Approach
- Java Platform Module System
- Database Applications with JDBC
- Working with Arrays and Collections
- Annotations
- Working with Java data types
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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:
- Initialize objects and their members using instance and static initialiser statements and constructors
- Implement serialization and deserialization techniques on Java objects
- Declare, use, and expose modules, including the use of services
- Create and use enumerations
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Read and write console and file data using I/O Streams
- 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 subclasses and superclasses, including abstract classes
- Deploy and execute modular applications, including automatic modules
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Create, apply, and process annotations
- Handle file system objects using java.nio.file API
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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:
- Exposure to the Java programming language
- Have a desire to get Java certified and earn more money
- Be a professional programmer with Java experience
- 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
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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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Use method references with streams - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions |
| I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Stream API with files - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system |
| Java Platform Module System | 10% | - Declare module dependencies - Explain the default modules and class path - Deploy and execute modules - Explain the concept of module exports and requires - Migrate applications to use modules - Use jdeps to determine dependencies |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Working with Java OOP | 15% | - Implement polymorphism - Apply the static keyword to methods and fields - Create inner classes and use them within other classes - Use abstract classes and interfaces - Implement encapsulation - Implement inheritance - Apply the final keyword to classes, methods, and fields |
| Controlling Program Flow | 10% | - Use if and if/else statements - Use switch statements - Use Java control statements - Use break and continue statements - Use for, while, and do/while loops |
| Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks |
| 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 Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Call methods on objects |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use assertions - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use standard exception classes |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Validate user input - Prevent Denial of Service (DoS) attacks |
| Working with Arrays and Collections | 8% | - Sort elements in a collection - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Use generic types and diamond operator - Search for elements in a collection - Iterate through a collection |
