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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:
- Use generics, including wildcards
- Use Java Streams to filter, transform and process data
- 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
- Sort collections and arrays using Comparator and Comparable interfaces
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Passing Score: | 68% |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Exam Duration: | 90 minutes |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Available Languages: | English, Spanish, Chinese, Portuguese, Japanese |
| Real Exam Qty: | 80 |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Price: | $245 USD |
| Sample Questions: | Oracle 1Z0-819日本語 Sample Questions |
| Exam Way: | Pearson VUE testing centers (online proctored exam also available) |
| Pre Condition: | Oracle recommends but does not require candidates to first obtain the Oracle Certified Professional: Java SE 11 Programmer I (1Z0-815) certification. However, 1Z0-819 can be taken directly without 1Z0-815. |
| Official Syllabus URL: | https://education.oracle.com/java/java-se/product_oss_279 |
For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Working with Java data types
- Java Platform Module System
- Working with Arrays and Collections
- Database Applications with JDBC
- Java Object-Oriented Approach
- Annotations
- Java I/O API
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:
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
- Use local variable type inference, including as lambda parameters
- Handle text using String and StringBuilder classes
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Database Applications with JDBC | 5% | - Execute queries and process results - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries |
| Topic 2: Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Create and throw custom exceptions - Use assertions - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization |
| Topic 3: Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Identify potential threading problems |
| Topic 4: 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 5: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input |
| Topic 6: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 7: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations - Use method references with streams |
| Topic 8: Working with Java data types | 12% | - Call methods on objects - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings - Manipulate data using the StringBuilder class and its methods - Read or write to object fields |
| Topic 9: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Explain the default modules and class path - Deploy and execute modules - Migrate applications to use modules - Declare module dependencies |
| Topic 10: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Filter a collection using lambda expressions - Iterate through a collection - Create a list, set, map, or queue collection - Search for elements in a collection - Sort elements in a collection |
| Topic 11: Controlling Program Flow | 10% | - Use break and continue statements - Use switch statements - Use if and if/else statements - Use Java control statements - Use for, while, and do/while loops |
| Topic 12: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Use abstract classes and interfaces - Implement polymorphism - Implement inheritance - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Apply the static keyword to methods and fields |
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