Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Oracle : 1Z0-819 Exam Premium Dumps
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The Oracle 1Z0-819 exam is intended for developers who have a strong foundation in Java programming and have experience with Java SE 11. It is suitable for developers who want to demonstrate their ability to build applications in Java, including desktop, web, and mobile applications.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1z1-819 (Java SE 11 Developer) Exam is a challenging exam that requires deep knowledge of Java programming concepts and their practical implementation. It is recommended that candidates have at least two years of experience in Java development before taking 1Z0-819 exam. Additionally, candidates should have a strong understanding of Java SE 11 programming and Java development tools.
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The Oracle 1Z0-819 exam is designed for developers who have a strong foundation in Java programming and have experience in developing applications using Java SE 11. It covers various topics such as Java classes, interfaces, and objects, Java data types, Java arrays, exception handling, and Java I/O. It also includes topics on Java concurrency, JDBC, and security.
For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Call methods on objects - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Read or write to object fields |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Identify potential threading problems |
| Database Applications with JDBC | 5% | - Execute queries and process results - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries |
| I/O (Fundamentals and NIO2) | 7% | - 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 - Use Path interface to manipulate file paths |
| Java Platform Module System | 10% | - Declare module dependencies - Explain the concept of module exports and requires - Deploy and execute modules - Use jdeps to determine dependencies - Explain the default modules and class path - Migrate applications to use modules |
| Working with Java OOP | 15% | - Use abstract classes and interfaces - Implement polymorphism - Create inner classes and use them within other classes - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Implement inheritance |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input |
| Controlling Program Flow | 10% | - Use if and if/else statements - Use Java control statements - Use break and continue statements - Use switch statements - Use for, while, and do/while loops |
| Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Use method references with streams - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations |
| Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Use standard exception classes - Create and throw custom exceptions - Use assertions - Create try-catch blocks and understand exception propagation |
| Working with Arrays and Collections | 8% | - Sort elements in a collection - Search for elements in a collection - Create a list, set, map, or queue collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Iterate through a collection |
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
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