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Oracle 1z1-819 valid - in .pdf
- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
- Q & A: 297 Questions and Answers
- PDF Price: $59.99
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Oracle 1z1-819 valid - Testing Engine
- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
- Q & A: 297 Questions and Answers
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About Oracle 1z1-819 valid braindumps
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Length of Exam: 85 min
- Examination Fees: $250 USD
- Types of questions: Performance Based Questions
- No. of Questions: 60 Questions
- Passing Score: 60% or higher
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
- Working with Java data types
- Annotations
- Database Applications with JDBC
- Java Platform Module System
- Java Object-Oriented Approach
- Java I/O API
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:
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Define and use fields and methods, including instance, static and overloaded methods
- Create and use enumerations
- Secure resource access including filesystems, manage policies and execute privileged code
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use subclasses and superclasses, including abstract classes
- Initialize objects and their members using instance and static initialiser statements and constructors
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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.
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Implement inheritance - Implement encapsulation - Use abstract classes and interfaces - Apply the static keyword to methods and fields |
| Topic 2: Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use assertions - Use resource bundles and locale classes for internationalization - Use standard exception classes - Describe the advantages of exception handling |
| Topic 3: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - 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 |
| Topic 4: Controlling Program Flow | 10% | - Use switch statements - Use break and continue statements - Use Java control statements - Use for, while, and do/while loops - Use if and if/else statements |
| Topic 5: Working with Arrays and Collections | 8% | - Iterate through a collection - Sort elements in a collection - Use generic types and diamond operator - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Search for elements in a collection |
| Topic 6: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Create and manipulate strings |
| Topic 7: Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use synchronized blocks and the volatile keyword |
| Topic 8: Java Platform Module System | 10% | - Explain the default modules and class path - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Migrate applications to use modules - Deploy and execute modules - Declare module dependencies |
| Topic 9: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| Topic 10: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - 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 |
| Topic 11: Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Validate user input - Secure sensitive data - Prevent SQL injection and other attacks |
| Topic 12: Database Applications with JDBC | 5% | - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results - Connect to a database using JDBC |
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