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:
- Create and use subclasses and superclasses, including abstract classes
- Deploy and execute modular applications, including automatic modules
- Implement serialization and deserialization techniques on Java objects
- Define and use fields and methods, including instance, static and overloaded methods
- Understand variable scopes, apply encapsulation and make objects immutable
- Read and write console and file data using I/O Streams
- Initialize objects and their members using instance and static initialiser statements and constructors
- Create and use enumerations
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Create, apply, and process annotations
- Declare, use, and expose modules, including the use of services
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Handle file system objects using java.nio.file API
- 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
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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