Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Controlling Program Flow | 10% | - Use if and if/else statements - Use Java control statements - Use for, while, and do/while loops - Use switch statements - Use break and continue statements |
| Topic 2: Working with Java data types | 12% | - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Read or write to object fields - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Call methods on objects |
| Topic 3: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| Topic 4: Java Platform Module System | 10% | - Declare module dependencies - Explain the concept of module exports and requires - Explain the default modules and class path - Deploy and execute modules - Use jdeps to determine dependencies - Migrate applications to use modules |
| Topic 5: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes |
| Topic 6: Database Applications with JDBC | 5% | - Execute queries and process results - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries |
| Topic 7: Secure Coding in Java SE Application | 5% | - Validate user input - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks |
| Topic 8: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Create a list, set, map, or queue collection - Sort elements in a collection - Iterate through a collection - Search for elements in a collection - Filter a collection using lambda expressions |
| Topic 9: Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Use method references with streams - 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 functional interfaces with lambda expressions |
| Topic 10: Exception Handling and Localization | 10% | - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Use standard exception classes - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use assertions |
| Topic 11: Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement encapsulation - Implement polymorphism - Implement inheritance |
| Topic 12: Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance |
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