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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:

• Use local variable type inference, including as lambda parameters
• Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
• Handle text using String and StringBuilder classes

Oracle 1z1-819 Exam Overview:

Certification Path for Java SE 11 Developer Exam Number: 1Z0-819

Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.

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

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:

• Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
• Create and use enumerations
• Understand variable scopes, apply encapsulation and make objects immutable
• Define and use fields and methods, including instance, static and overloaded methods
• Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
• Secure resource access including filesystems, manage policies and execute privileged code
• Create and use subclasses and superclasses, including abstract classes
• Initialize objects and their members using instance and static initialiser statements and constructors
• Utilize polymorphism and casting to call methods, differentiate object type versus reference type
• Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)

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:

• 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
• Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
• Create and use enumerations
• Implement serialization and deserialization techniques on Java objects
• Understand variable scopes, apply encapsulation and make objects immutable
• Define and use fields and methods, including instance, static and overloaded methods
• Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
• Read and write console and file data using I/O Streams
• Create and use subclasses and superclasses, including abstract classes
• Create, apply, and process annotations
• Initialize objects and their members using instance and static initialiser statements and constructors
• Handle file system objects using java.nio.file API
• Utilize polymorphism and casting to call methods, differentiate object type versus reference type

Oracle 1z1-819 Exam Syllabus Topics: