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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:

• Utilize polymorphism and casting to call methods, differentiate object type versus reference type
• Initialize objects and their members using instance and static initialiser statements and constructors
• Secure resource access including filesystems, manage policies and execute privileged code
• 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
• Understand variable scopes, apply encapsulation and make objects immutable
• Create and use enumerations
• Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
• Create and use subclasses and superclasses, including abstract classes
• Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity

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:

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

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

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