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How to book the Java SE 11 Developer Exam Number: 1Z0-819
You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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:
- Handle text using String and StringBuilder classes
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
- Use local variable type inference, including as lambda parameters
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Controlling Program Flow | 10% | - Use if and if/else statements - Use Java control statements - Use break and continue statements - Use for, while, and do/while loops - Use switch statements |
| Topic 2: Concurrency | 10% | - Use parallel streams to improve performance - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword |
| Topic 3: Secure Coding in Java SE Application | 5% | - Validate user input - Prevent SQL injection and other attacks - Secure sensitive data - Prevent Denial of Service (DoS) attacks |
| Topic 4: Java Platform Module System | 10% | - Migrate applications to use modules - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Use jdeps to determine dependencies - Explain the concept of module exports and requires |
| Topic 5: Working with Arrays and Collections | 8% | - Search for elements in a collection - Use generic types and diamond operator - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Iterate through a collection - Sort elements in a collection |
| Topic 6: Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool |
| Topic 7: Working with Java data types | 12% | - Create and manipulate strings - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Call methods on objects - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods |
| Topic 8: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Use Stream API with files - Read and write console and file input/output using Java I/O system |
| Topic 9: Annotations | 5% | - Create custom annotations - Describe the purpose of annotations - Apply standard annotations to classes and methods |
| Topic 10: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use standard exception classes - Create and throw custom exceptions - Use assertions - Create try-catch blocks and understand exception propagation |
| Topic 11: Working with Java OOP | 15% | - Implement encapsulation - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Implement inheritance - Use abstract classes and interfaces - Implement polymorphism |
| Topic 12: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use method references with streams |
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