Java SE 8 New Features Eğitimi

  • Eğitim Tipi: Classroom / Virtual Classroom / Online
  • Süre: 2 Gün
  • Bu eğitimi kendi kurumunuzda planlayabilirsiniz. Bize Ulaşın!
En Yakın Tarih

12 Aralık 2021

2 Gün

Java SE 8 New Features eğitimi, Oracle Java SE 8'deki önemli değişiklikleri ve geliştirmeleri içerir. Bu eğitimde koleksiyonları olan akışları ve lambda ifadelerini kullanmayı öğreneceksiniz. Lambda ifadeleri ve akışlarını anlayacaksınız. Yeni Nashorn JavaScript Engine kullanacaksınız. Görev kontrol ve uçuş kaydedicisi kullanabileceksiniz. Yeni eş zamanlı lambda özellikleri kullanacaksınız. Java tarih ve saat API'sini ve Nashorn JavaScript motorunu daha iyi kullanmanıza yardımcı olacak yeni bilgi ve beceriler geliştireceksiniz.  


Herhangi bir ön koşul yoktur.  

Bu eğitime yazılım mühendisleri ve yazılım geliştiricileri katılabilir. 

  • Varsayılan kütüphane arayüzlerini kullanarak lambda ifadeleri yaratma
  • Doğru sözdizimini kullanarak lambda ifadeleri yaratma
  • Yeni eş zamanlı labmda özelliklerini kullanma
  • Yeni Tarih/Saat API’sini Kullanma
  • Mission Control ve Flight Recorder Kullanma
  • Yeni Nashorn JavaScript Engine Kullanma

Course Introduction

  • Reviewing course objectives
  • Discussing course format and LVC
  • Getting acquainted with instructor and student
  • Discussing course topics planned for coverage
  • Overview of changes in 8

Introducing Lambda Expressions

  • Describing the purpose of an anonymous inner class
  • Describing drawbacks to anonymous inner classes
  • Describing the components of a lambda expression
  • Defining a functional interface
  • Creating programs that use lambda expressions

A Case for Lambda Expressions

  • Discussing the reasons for adding lambda expressions to the Java language
  • Reviewing the standard way of extracting data in Java
  • Refactoring code to reduce redundancy
  • Refactoring code to use inner classes
  • Refactoring code to use lambda expressions
  • Listing the benefits of lambda expressions

Filtering Collections with Lambdas

  • Iterating though a collection with forEach
  • Iterating through a collection using lambda syntax
  • Describing the Stream interface
  • Filtering a collection using lambda expressions
  • Calling an existing method using a method reference
  • Chaining multiple methods together
  • Comparing function and imperative programming
  • Defining pipelines in terms of lambdas and collections

Using Built in Lambda Types

  • Listing the built in interfaces included in java.util.function
  • Determining true or false with a Predicate
  • Processing an object and return nothing with Consumer
  • Processing one object and return another with Function
  • Generating a new object with Supplier
  • Using primitive versions of the base interfaces
  • Using binary versions of the base interfaces

Collection Operations with Lambda

  • Extracting data from an object using map
  • Searching for data using search methods
  • Describing the types of stream operations
  • Describing the Optional class
  • Performing calculations using methods
  • Describing lazy processing
  • Sorting a stream
  • Saving results to a collection using the collect method

Parallel Streams

  • Reviewing the key characteristics of streams
  • Contrasting old style loop operations with streams
  • Describing how to make a stream pipeline execute in parallel
  • Listing the key assumptions needed to use a parallel pipeline
  • Defining reduction
  • Describing why reduction requires an associative function
  • Calculating a value using reduce
  • Describing the process for decomposing and then merging work

Lambda Cookbook

  • Modifying a list using removeIf
  • Updating a list using replaceAll
  • Updating a map using computeIfAbsent, computerIfPresent, and merge
  • Sending the keys and values from a map to a stream
  • Reading a file to a stream
  • Reading a text file into an ArrayList
  • List, walk, and search a directory structure using a stream
  • Flattening a stream using flatMap

Method Enhancements

  • Considering the importance of building good libraries
  • Using static methods in Interfaces
  • Using default methods
  • Understanding default method inheritance rules

Using the Date/Time API: Working with Local Dates and Times

  • Listing the goals of the Date/Time API (JSR-310)
  • Creating and manage date-based events
  • Creating and manage time-based events
  • Combining date and time into a single object

Using the Date/Time API: Working with Time Zones

  • Working with dates and times across time-zones and manage changes resulting from daylight savings

Using the Date/Time API: Working with Date and Time Amounts

  • Defining and create timestamps, periods and durations
  • Applying formatting to local and zoned dates and times

JavaScript on Java with Nashorn: Creating and executing shell scripts

  • Creating and execute shell scripts using JavaScript and Nashorn

JavaScript on Java with Nashorn: Writing JavaScript Applications

  • Developing JavaScript applications that leverage Java code using Nashorn

JavaScript on Java with Nashorn: Writing JavaFX Applications Using JavaScript

  • Running JavaScript script from Java applications usingJSR-223
  • Prototype JavaFX applications using Nashorn and JavaScript

Intro to Mission Control

  • Describing JMX and Managed Beans with Mission Control
  • Monitoring CPU utilization with Mission Control
  • Analyzing JVM characteristics with Mission Control
  • Analyzing heap memory with Mission Control

Intro to Flight Recorder

  • Describing the Java Flight Recorder
  • Describing the Java Flight Recorder Architecture
  • Starting a Java Flight Recording
  • Managing a Java Flight Recording
  • Analyzing a Java Flight Recording


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