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

The following will be discussed in ORACLE 1Z0-006 exam dumps:

Oracle 1Z0-819日本語 Exam Syllabus Topics:

Topic	Details
Topic 1	Understand variable scopes, apply encapsulation and make objects immutable Connect to and perform database SQL operations, process query results using JDBC API
Topic 2	Implement serialization and deserialization techniques on Java objects Declare and instantiate Java objects including nested class objects
Topic 3	Handle text using String and StringBuilder classes Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Topic 4	Create and use subclasses and superclasses, including abstract classes Use local variable type inference, including as lambda parameters
Topic 5	Develop code that mitigates security threats such as denial of service Use Java Streams to filter, transform and process data
Topic 6	Secure resource access including filesystems, manage policies and execute privileged code Develop thread-safe code, using different locking mechanisms
Topic 7	Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting Sort collections and arrays using Comparator and Comparable interfaces
Topic 8	Deploy and execute modular applications, including automatic modules Implement functional interfaces using lambda expressions

The following will be discussed in the ORACLE 1Z0-006 exam dumps:

Read and write console and file data using I/O Streams
Create and use enumerations
Create, apply, and process annotations
Implement serialization and deserialization techniques on Java objects
Connect to and perform database SQL operations, process query results using JDBC API Annotations
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
Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Declare, use, and expose modules, including the use of services
Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
Handle file system objects using java.nio.file API
Create and use subclasses and superclasses, including abstract classes
Understand variable scopes, apply encapsulation and make objects immutable
Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
Deploy and execute modular applications, including automatic modules