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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:
- 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
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Use generics, including wildcards
- 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
Who should take the Java SE 11 Developer Exam Number: 1Z0-819
This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java OOP | 15% | - Implement encapsulation - Apply the static keyword to methods and fields - Implement inheritance - Use abstract classes and interfaces - Implement polymorphism - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields |
| Topic 2: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Use generic types and diamond operator - Iterate through a collection - Search for elements in a collection - Create a list, set, map, or queue collection - Sort elements in a collection |
| Topic 3: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Explain the default modules and class path - Deploy and execute modules - Declare module dependencies - Migrate applications to use modules - Use jdeps to determine dependencies |
| Topic 4: Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Use parameterized queries - Connect to a database using JDBC - Execute queries and process results |
| Topic 5: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system - Use Stream API with files |
| Topic 6: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 7: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use assertions - Create try-catch blocks and understand exception propagation - Use standard exception classes - Create and throw custom exceptions |
| Topic 8: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Validate user input - Prevent Denial of Service (DoS) attacks - Secure sensitive data |
| Topic 9: Working with Java data types | 12% | - Declare and initialize variables - Create and manipulate strings - Call methods on objects - Read or write to object fields - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods |
| Topic 10: Concurrency | 10% | - Use parallel streams to improve performance - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool |
| Topic 11: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations |
| Topic 12: Controlling Program Flow | 10% | - Use if and if/else statements - Use switch statements - Use break and continue statements - Use Java control statements - Use for, while, and do/while loops |
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