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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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Create and use enumerations
- Create and use subclasses and superclasses, including abstract classes
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Define and use fields and methods, including instance, static and overloaded methods
- Secure resource access including filesystems, manage policies and execute privileged code
- Initialize objects and their members using instance and static initialiser statements and constructors
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Filter a collection using lambda expressions - Search for elements in a collection - Iterate through a collection - Sort elements in a collection - Create a list, set, map, or queue collection |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance |
| Working with Java OOP | 15% | - Implement inheritance - Implement polymorphism - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use assertions - Describe the advantages of exception handling - Use standard exception classes - Use resource bundles and locale classes for internationalization |
| Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline |
| Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use if and if/else statements - Use for, while, and do/while loops - Use switch statements |
| 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) - Call methods on objects - Read or write to object fields - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Create and manipulate strings |
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Java Platform Module System | 10% | - Use jdeps to determine dependencies - Deploy and execute modules - Explain the default modules and class path - Declare module dependencies - Explain the concept of module exports and requires - Migrate applications to use modules |
| 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% | - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input |
| I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
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