Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Oracle : 1z1-819 Exam Premium Dumps
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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:
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Use generics, including wildcards
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Use Java Streams to filter, transform and process data
- Sort collections and arrays using Comparator and Comparable interfaces
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
Oracle 1Z0-819 certification exam is recognized worldwide and is highly valued by employers. It is an excellent opportunity for Java developers to showcase their skills and knowledge in Java SE 11. Moreover, certified developers have an edge over non-certified developers when it comes to job prospects, career growth, and salary. By passing 1z1-819 exam, developers can demonstrate their commitment to their profession and stay up-to-date with the latest Java technologies.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1z1-819 (Java SE 11 Developer) Certification Exam is designed for individuals who are proficient in Java programming and want to validate their skills and knowledge. Java SE 11 Developer certification exam is intended for developers who have experience in developing Java applications and are familiar with Java SE 11 features and APIs. Java SE 11 Developer certification exam covers a wide range of topics, including Java data types, operators and expressions, control flow statements, classes and objects, interfaces and inheritance, exception handling, streams and lambda expressions, and more.
Oracle 1z1-819 Certification exam is a comprehensive exam that measures the candidate's understanding of Java SE 11. It consists of 80 multiple-choice questions that have to be completed within 180 minutes. 1z1-819 exam is available in multiple languages, and the passing score for the exam is 63%.
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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Platform Module System | 10% | - Declare module dependencies - Explain the default modules and class path - Migrate applications to use modules - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Deploy and execute modules |
| Topic 2: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Search for elements in a collection - Filter a collection using lambda expressions - Iterate through a collection - Sort elements in a collection - Create a list, set, map, or queue collection |
| Topic 3: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use if and if/else statements - Use switch statements - Use Java control statements |
| Topic 4: Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Execute queries and process results - Connect to a database using JDBC - Use parameterized queries |
| Topic 5: Exception Handling and Localization | 10% | - Use standard exception classes - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use assertions - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation |
| Topic 6: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| Topic 7: Concurrency | 10% | - Use parallel streams to improve performance - Identify potential threading problems - 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 |
| Topic 8: Working with Java data types | 12% | - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings - Call methods on objects - Read or write to object fields |
| Topic 9: I/O (Fundamentals and NIO2) | 7% | - 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 - Use Stream API with files |
| Topic 10: Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams |
| Topic 11: Working with Java OOP | 15% | - Implement inheritance - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Use abstract classes and interfaces - Implement polymorphism - Apply the static keyword to methods and fields - Implement encapsulation |
| Topic 12: 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 |
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