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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Examination Fees: $250 USD
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Passing Score: 60% or higher
- No. of Questions: 60 Questions
- Length of Exam: 85 min
- Types of questions: Performance Based Questions
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:
- 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
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Platform Module System | 10% | - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Use jdeps to determine dependencies - Migrate applications to use modules - Explain the concept of module exports and requires |
| Topic 2: Working with Java data types | 12% | - Call methods on objects - Read or write to object fields - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Declare and initialize variables |
| Topic 3: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance |
| Topic 4: Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Topic 5: Exception Handling and Localization | 10% | - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use assertions - Create try-catch blocks and understand exception propagation - Use standard exception classes - Describe the advantages of exception handling |
| Topic 6: Working with Arrays and Collections | 8% | - Iterate through a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Sort elements in a collection - Search for elements in a collection - Create a list, set, map, or queue collection |
| Topic 7: Working with Java OOP | 15% | - Implement polymorphism - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Apply the static keyword to methods and fields - Implement inheritance - Implement encapsulation |
| Topic 8: 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 9: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results |
| Topic 10: Controlling Program Flow | 10% | - Use if and if/else statements - Use for, while, and do/while loops - Use switch statements - Use Java control statements - Use break and continue statements |
| Topic 11: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input - Prevent SQL injection and other attacks |
| Topic 12: Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Use method references with streams - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
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