Oracle 1Z0-819日本語 Exam : Java SE 11 Developer (1Z0-819日本語版)
- Exam Code: 1z1-819-JPN
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Updated: Aug 30, 2026
- Q & A: 297 Questions and Answers
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PDF Version DemoAbout Oracle 1Z0-819日本語 Exam Questions
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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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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:
- 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
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Use Java Streams to filter, transform and process data
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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:
- Working with Arrays and Collections
- Java Platform Module System
- Database Applications with JDBC
- Java Object-Oriented Approach
- Java I/O API
- Annotations
- Working with Java data types
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Arrays and Collections | 8% | - Sort elements in a collection - Search for elements in a collection - Iterate through a collection - Create a list, set, map, or queue collection - Use generic types and diamond operator - Filter a collection using lambda expressions |
| Topic 2: Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Filter a collection using lambda expressions |
| 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: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use switch statements - Use Java control statements - Use break and continue statements - Use if and if/else statements |
| Topic 5: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Execute queries and process results - Use parameterized queries - Describe the advantages of using a connection pool |
| Topic 6: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Deploy and execute modules - Migrate applications to use modules - Declare module dependencies - Explain the default modules and class path |
| Topic 7: Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Call methods on objects - Create and manipulate strings - Declare and initialize variables - Differentiate between object reference variables and primitive variables |
| Topic 8: Concurrency | 10% | - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects |
| Topic 9: Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use assertions - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Use standard exception classes - Create and throw custom exceptions |
| Topic 10: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - 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 Path interface to manipulate file paths |
| Topic 11: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Apply the static keyword to methods and fields - Implement inheritance - Use abstract classes and interfaces |
| Topic 12: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
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