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To pass the exam, candidates must have a good understanding of Java SE 11 and be able to write code that meets specific requirements. They must also be familiar with common development tools, such as Eclipse or IntelliJ IDEA, and know how to use them to develop, debug, and test Java applications.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
Oracle 1Z0-819 exam covers a wide range of topics related to Java programming, including Java basics, object-oriented programming, functional programming, concurrency, JDBC, and security. 1Z0-819 exam consists of 80 multiple-choice and multiple-select questions, and the candidate is given three hours to complete the exam. The passing score for 1Z0-819 exam is 63% or higher, and candidates who pass the exam receive the Oracle Certified Professional: Java SE 11 Developer certification.
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Oracle 1Z0-819 certification exam is designed for Java developers who have already gained foundational knowledge of Java SE 11. 1Z0-819 exam is intended to validate the developer's proficiency in Java programming and assess their ability to design and implement Java applications. Passing the Oracle 1Z0-819 exam demonstrates that a developer is capable of working with Java SE 11 to build robust and reliable applications.
| Section | Weight | Objectives |
|---|---|---|
| Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Use method references with streams |
| Controlling Program Flow | 10% | - Use break and continue statements - Use switch statements - Use Java control statements - Use if and if/else statements - Use for, while, and do/while loops |
| Database Applications with JDBC | 5% | - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results - Connect to a database using JDBC |
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Java Platform Module System | 10% | - Explain the concept of module exports and requires - Deploy and execute modules - Explain the default modules and class path - Migrate applications to use modules - Declare module dependencies - Use jdeps to determine dependencies |
| Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Use assertions - Use standard exception classes - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use Stream API with files - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
| Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool |
| Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement polymorphism - Implement inheritance - Implement encapsulation - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data - Prevent Denial of Service (DoS) attacks |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Use generic types and diamond operator - Sort elements in a collection - Filter a collection using lambda expressions - Search for elements in a collection - Create a list, set, map, or queue collection |
| Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Read or write to object fields - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
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