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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
- 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)
- 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.
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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 pdf:
- Use generics, including wildcards
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Sort collections and arrays using Comparator and Comparable interfaces
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Use Java Streams to filter, transform and process data
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 |
|---|---|---|
| Topic 1: Exception Handling and Localization | 10% | - 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 - Use standard exception classes - Use assertions |
| Topic 2: Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use switch statements - Use if and if/else statements - Use for, while, and do/while loops |
| Topic 3: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Search for elements in a collection - Use generic types and diamond operator - Iterate through a collection - Sort elements in a collection |
| Topic 4: Working with Java OOP | 15% | - Use abstract classes and interfaces - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Implement inheritance - Create inner classes and use them within other classes - Implement polymorphism |
| Topic 5: Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Read or write to object fields - Declare and initialize variables - Call methods on objects - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
| Topic 6: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input |
| Topic 7: 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 |
| Topic 8: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| Topic 9: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Explain the default modules and class path - Use jdeps to determine dependencies - Migrate applications to use modules - Deploy and execute modules - Declare module dependencies |
| Topic 10: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - 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 |
| Topic 11: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Identify potential threading problems - Use parallel streams to improve performance |
| Topic 12: 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 |
