Java SE 11 Programmer II



Java SE 11 Programmer II



Javatraining als Oracle authorisierter Schulung- Center bietet eine Schulung zur Zertifizeirungsvorbereitung an!
Hier zur Zertifizierungsvorbereitung- Schulung.

Exam Number: 1Z0-816
Exam Product Version: Java SE
Exam Price: € 220,00 exkl. 20% USt
Dauer: 180 Minuten
Anzahl der Fragen: 80
Erforderliche Punktzahl: 63%
Gültig für: This exam has been written for the Java SE 11 release
Format: Multiple Choice
Das Ablegen der Java SE 11 Programmer I ist eine Voraussetzung für diese Zertifizierung!

anfragen / bestellen!

Exam Preparation:

Java SE Programming I
Java SE Programming II
Vorbereitungskurs zur Oracle Certified Java Programmer Zertifizierung (inklusive Zertifizierungsgebühr)

Additional Information & Resources


TOPICS

Java Fundamentals
  • Create and use final classes
  • Create and use inner, nested and anonymous classes
  • Create and use enumerations
Java Interfaces
  • Create and use interfaces with default methods
  • Create and use interfaces with private methods
Functional Interface and Lambda Expressions
  • Define and write functional interfaces
  • Create and use lambda expressions including statement lambdas, local-variable for lambda parameters
Built-in Functional Interfaces
  • Use interfaces from java.util.function package
  • Use core functional interfaces including Predicate, Consumer, Function and Supplier
  • Use primitive and binary variations of base interfaces of java.util.function package
Migration to a Modular Application
  • Migrate the application developed using a Java version prior to SE 9 to SE 11 including top-down and bottom-up migration, splitting a Java SE 8 application into modules for migration
  • Run a modulaized application on classpath and on modulepath
  • Use jdeps to determine dependencies and identify way to address the cyclic dependencies
Concurrency
  • Create worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasks
  • Use java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList
  • Write thread-safe code
  • Identify threading problems such as deadlocks and livelocks
I/O (Fundamentals and NIO2)
  • Read data from and write console and file data using I/O Streams
  • Use I/O Streams to read and write files
  • Read and write objects by using serialization
  • Use Path interface to operate on file and directory paths
  • Use Files class to check, delete, copy or move a file or directory
  • Use Stream API with Files
Database Applications with JDBC
  • Connect to databases using JDBC URLs and DriverManager
  • Use PreparedStatement to perform CRUD operations
  • Use PreparedStatement and CallableStatement APIs to perform database operations
Annotations
  • Describe the purpose of annotations and typical usage patterns
  • Apply annotations to classes and methods
  • Describe commonly used annotations in the JDK
  • Declare custom annotations
Exception Handling and Assertions
  • Use try-with-resources construct
  • Create and use custom exception classes
  • Test invariants by using assertions
Generics and Collections
  • Use wrapper classes, auto-boxing and auto-unboxing
  • Create and use generic classes, methods with diamond notation and wildcards
  • Describe Collections Framework and use key collection interfaces
  • Use Comparator and Comparable interfaces
  • Create and use convenience methods for collections
Java Stream API
  • Describe the Stream interface and pipelines
  • Use lambda expressions and method references
Lambda Operations on Streams
  • Extract stream data using map, peek and flatMap methods
  • Search stream data using search findFirst, findAny, anyMatch, allMatch and noneMatch methods
  • Use Optional class
  • Perform calculations using count, max, min, average and sum stream operations
  • Sort a collection using lambda expressions
  • Use Collectors with streams, including the groupingBy and partitioningBy operation
Services in a Modular Application
  • Describe the components of Services including directives
  • Design a service type, load services using ServiceLoader, check for dependencies of the services including consumer and provider modules
Parallel Streams
  • Develop the code that use parallel streams
  • Implement decomposition and reduction with streams
Secure Coding in Java SE Application
  • Prevent Denial of Service in Java applications
  • Secure confidential information in Java application
  • Implement Data integrity guidelines- injections and inclusion and input validation
  • Prevent external attack of the code by limiting Accessibility and Extensibility, properly handling input validation, and mutablity
  • Secure constructing sensitive objects
  • Secure Serialization and Deserialization
Localization
  • Use Locale class
  • Use resource bundles
  • Format messages, dates, and numbers with Java