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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.
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 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
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Use generics, including wildcards
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Database Applications with JDBC
- Java Platform Module System
- Java Object-Oriented Approach
- Annotations
- Java I/O API
- Working with Arrays and Collections
- Working with Java data types
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use if and if/else statements - Use Java control statements - Use break and continue statements - Use switch statements |
| Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use method references with streams - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions |
| Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Create and manipulate strings - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Declare and initialize variables - Call methods on objects - Read or write to object fields |
| Exception Handling and Localization | 10% | - Use assertions - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use standard exception classes |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Create a list, set, map, or queue collection - Search for elements in a collection - Sort elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions |
| Java Platform Module System | 10% | - Migrate applications to use modules - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Explain the concept of module exports and requires - Use jdeps to determine dependencies |
| Concurrency | 10% | - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks |
| Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Implement inheritance - Implement polymorphism |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries - Execute queries and process results |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Validate user input - Prevent Denial of Service (DoS) attacks |
| Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| 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 |
