How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Length of Exam: 85 min
- No. of Questions: 60 Questions
- Examination Fees: $250 USD
- Passing Score: 60% or higher
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Types of questions: Performance Based Questions
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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.
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks - Validate user input |
| Java Platform Module System | 10% | - Explain the concept of module exports and requires - Declare module dependencies - Use jdeps to determine dependencies - Migrate applications to use modules - Explain the default modules and class path - Deploy and execute modules |
| Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use method references with streams - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Iterate through a collection - 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 |
| Working with Java data types | 12% | - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Call methods on objects - Read or write to object fields |
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use if and if/else statements - Use switch statements - Use Java control statements - Use break and continue statements |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Connect to a database using JDBC - Execute queries and process results - Use parameterized queries |
| Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Identify potential threading problems |
| 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 Stream API with files - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths |
| Working with Java OOP | 15% | - Implement inheritance - Create inner classes and use them within other classes - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Implement encapsulation - Implement polymorphism |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use standard exception classes - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use assertions |
