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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Examination Fees: $250 USD
- Passing Score: 60% or higher
- No. of Questions: 60 Questions
- Types of questions: Performance Based Questions
- Length of Exam: 85 min
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Working with Arrays and Collections | 8% | - Sort elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Iterate through a collection - Search for elements in a collection - Create a list, set, map, or queue collection |
| Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use standard exception classes - Use assertions - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data - Prevent Denial of Service (DoS) attacks |
| Java Platform Module System | 10% | - Deploy and execute modules - Declare module dependencies - Migrate applications to use modules - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Explain the default modules and class path |
| Working with Java data types | 12% | - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables - Create and manipulate strings - Read or write to object fields - Differentiate between object reference variables and primitive variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
| Working with Java OOP | 15% | - Implement inheritance - Implement polymorphism - Create inner classes and use them within other classes - Use abstract classes and interfaces - Apply the static keyword to methods and fields - Implement encapsulation - Apply the final keyword to classes, methods, and fields |
| Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use method references with streams |
| Database Applications with JDBC | 5% | - Connect to a database using JDBC - Describe the advantages of using a connection pool - Execute queries and process results - Use parameterized queries |
| I/O (Fundamentals and NIO2) | 7% | - Read and write console and file input/output using Java I/O system - Use Stream API with files - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes |
| Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool |
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use Java control statements - Use if and if/else statements - Use switch statements - Use break and continue statements |
