You can use this Oracle 1Z0-819 exam study guide to collect all the information about the Oracle Java SE 11 Developer exam. The Oracle 1Z0-819 certification exam is mainly targeted to those candidates who have some experience or exposure to Oracle Java SE technology and want to flourish their career with Oracle Certified Professional - Java SE 11 Developer (OCP) credential.
The Oracle 1Z0-819 certification exam validates your understanding of the Oracle Java SE technology and sets the stage for your future progression. Your preparation plan for Oracle Java SE 11 Developer Certification exam should include hands-on practice or on-the-job experience performing the tasks described in following certification exam syllabus topics.
Oracle 1Z0-819 Exam Details:
| Exam Name | Oracle Java SE 11 Developer |
| Exam Code | 1Z0-819 |
| Exam Price | USD $245 (Pricing may vary by country or by localized currency) |
| Duration | 90 minutes |
| Number of Questions | 50 |
| Passing Score | 68% |
| Format | Multiple Choice Questions (MCQ) |
| Recommended Training | Java SE 11 Developer |
| Schedule Exam | Buy Oracle Training and Certification |
| Sample Questions | Oracle Certified Professional - Java SE 11 Developer (OCP) |
| Recommended Practice | 1Z0-819 Online Practice Exam |
Oracle 1Z0-819 Syllabus Topics:
| Working with Java data types |
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting - Handle text using String and StringBuilder classes - Use local variable type inference, including as lambda parameters |
| Controlling Program Flow | - Create and use loops, if/else, and switch statements |
| Java Object-Oriented Approach |
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection) - Define and use fields and methods, including instance, static and overloaded methods - Initialize objects and their members using instance and static initialiser statements and constructors - Understand variable scopes, apply encapsulation and make objects immutable - Create and use subclasses and superclasses, including abstract classes - Utilize polymorphism and casting to call methods, differentiate object type versus reference type - Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods - Create and use enumerations |
| Exception Handling |
- Handle exceptions using try/catch/finally clauses, try-with-resource, and multi-catch statements - Create and use custom exceptions |
| Working with Arrays and Collections |
- Use generics, including wildcards - Use a Java array and List, Set, Map and Deque collections, including convenience methods - Sort collections and arrays using Comparator and Comparable interfaces |
| Working with Streams and Lambda expressions |
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package - Use Java Streams to filter, transform and process data - Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams |
| Java Platform Module System |
- Deploy and execute modular applications, including automatic modules - Declare, use, and expose modules, including the use of services |
| Concurrency |
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API - Develop thread-safe code, using different locking mechanisms and java.util.concurrent API |
| Java I/O API |
- Read and write console and file data using I/O Streams - Implement serialization and deserialization techniques on Java objects - Handle file system objects using java.nio.file API |
| Secure Coding in Java SE Application |
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity - Secure resource access including filesystems, manage policies and execute privileged code |
| Database Applications with JDBC | - Connect to and perform database SQL operations, process query results using JDBC API |
| Localization | - Implement Localization using Locale, resource bundles, and Java APIs to parse and format messages, dates, and numbers |
| Annotations | Create, apply, and process annotations |
The Oracle Java SE 11 Developer Certification Program certifies candidates on skills and knowledge related to Oracle Java SE products and technologies. The Oracle 1Z0-819 is granted based on a combination of passing exams, training, and performance-based assignments, depending on the level of certification. Oracle Java SE 11 Developer certification is a real benchmark of experience and expertise that helps you stand out in a crowd among employers. To ensure success, Oracle recommends combining education courses, practice exams, and hands-on experience to prepare for your Oracle Certified Professional - Java SE 11 Developer (OCP) certification exam as questions will test your ability to apply the knowledge you have gained in hands-on practice or professional experience.