Java SE 8: New Features

This lesson provides an overviews of the course goals, agenda and technical course environment.

Lessons:

• Course goals

• Lab:

• Course objectives

• Log In to Oracle Linux

• Audience

• Open Terminal Windows in Oracle Linux

• Prerequisites

• Add the Java bin Directory to the Path

• Course map

• Open a Text File in Oracle Linux

• Schedule

• Start NetBeans and Open a Project

This lesson describes the functional uses of a lambda expression.

Lessons:

• Describe the purpose of an anonymous inner class

• Create programs that use lambda expressions

• Describe drawbacks to anonymous inner classes

• Lab:

• Describe the components of a lambda expression

• Lambda Syntax with an EventHandler

• Define a functional interface

• Sort Collections with Comparator and Lambdas

This lesson demonstrates a case study for using lambda expressions.

Lessons:

• Discuss the reasons for adding lambda expressions to the Java language

• Review the standard way of extracting data in Java

• Refactor code to reduce redundancy

• List the benefits of lambda expressions

• Refactor code to use inner classes

• Lab:

• Refactor code to use lambda expressions

• Overview

• Refactor Code to Reuse Lambda Expressions

• Refactor Code to Use Lambda Expressions

This lesson describes how to iterate and filter through collections with lambda expressions.

Lessons:

• Iterate through a collection with forEach

• terate through a collection using lambda syntax

• Describe the Stream interface

• Compare function and imperative programming

• Filter a collection using lambda expressions

• Define pipelines in terms of lambdas and collections

• Call an existing method using a method reference

• Lab:

• Chain multiple methods together

• Overview

• Update RoboCall to use Streams

• Mail Sales Employees over 50 Using Method Chaining

• Mail Male Engineering Employees Under 65 Using Method Chaining

• Mail Sales Executives using Method Chaining

This lesson describes the use of the built-in lambda types.

Lessons:

• List the built-in interfaces included in java.util.function

• Determine true or false with a Predicate

• Process an object and return nothing with Consumer

• Generate a new object with Supplier

• Process one object and return another with Function

• Lab:

• Use primitive versions of base interfaces

• Overview

• Use binary versions of base interfaces

• Create Consumer Lambda Expression

• Create a BiPredicate Lambda Expression

• Create a Function Lambda Expression

• Create a Supplier Lambda Expression

This lesson describes how to apply collection operators with lambda expressions

Lessons:

• Extract data from an object using map

• Lab:

• Search for data using search methods

• Overview

• Describe the types of stream operations

• Using Map and Peek

• Describe the Optional class

• FindFirst and Lazy Operations

• Perform calculations using methods

• Analyze Transactions with Stream Methods

• Describe lazy processing

• Perform Calculations with Primitive Streams

• Sort a stream

• Sort Transactions with Comparator

• Save results to a collection using the collect method

• Collect Results with Streams

• Group and partition data using the Collectors class

• Join Data with Streams

• Calculate Sales Totals from Multiple Companies

• Group Data with Streams

• Partition Data with Streams

This lesson describes how to perform parallel streams operations with lambda expressions.

Lessons:

• Review the key characteristics of streams

• List the key performance considerations for parallel streams

• Contrast old style loop operations with streams

• Lab:

• Describe how to make a stream pipeline execute in parallel

• Overview

• List the key assumptions needed to use a parallel pipeline

• Calculate Total Sales without a Pipeline

• Define reduction

• Calculate Sales Totals using Parallel Streams

• Describe why reduction requires an associative function

• Calculate Sales Totals Using Parallel Streams and Reduce

• Calculate a value using reduce

• Describe the process for decomposing and then merging work

This lesson describe how to perform list management through lambda expressions.

Lessons:

• Modify a list using removeIf

• Flatten a stream using flatMap

• Update a list using replaceAl

• Lab:

• Update a map using computeIfAbsent, computeIfPresent, and merge

• Overview

• Send the keys and values from a map to a stream

• Working with ArrayLists

• Read a file to a stream

• Working with Maps

• Read a text file into an ArrayList

• Working with Files

• List, walk, and search a directory structure using a stream

• Working with Directories

This lesson describes the method enhancements available in lambda.

Lessons:

• Consider the importance of building good libraries

• Use static methods in interfaces

• Use default methods

• Lab

• Understand default method inheritance rules

• Method Enhancements

• Using Static and Default Methods in Interfaces

• Using Static Methods in Interfaces

This lesson describes how to create and manage date and time based events.

Lessons:

• List the goals of the Date/Time API (JSR-310)

• Combine date and time into a single object

• Create and manage datebased events

• Lab:

• Create and manage timebased events

• Working with local dates and times

This lesson describes how to manage dates and times with time zones

Lessons:

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

• Lab:

• Working with Dates and Times Across Time Zones

This lesson describes how to work with time amounts and how to apply formatting to dates and times.

Lessons:

• Define and create time stamps, periods, and durations

• Lab:

• Apply formatting to local and zoned dates and times

• Formatting Dates

This lesson describes how to create and execute operating system shell scripts.

Lessons:

• Create and execute shell scripts using JavaScript and Nashorn

• Lab:

• Creating Shell Scripts Using Nashorn Global Objects

This lesson describes how to create JavaScript applications that can leverage Java code.

Lessons:

• Develop JavaScript applications that leverage Java code using Nashorn

• Lab:

• Creating a JavaScript Multi-Threaded Socket Server

This lesson describes how to create JavaFX applications with JavaScript..

Lessons:

• Run JavaScript script from Java applications using JSR-223

• Lab:

• Prototype JavaFX applications using Nashorn and JavaScrip

• Creating a JavaFX PieChart Application as a JavaScript Application

• Dynamically Changing a JavaFX Application

This lesson describes how to make use of the Mission Control management and monitoring tools.

Lessons:

• Describe JMX and Managed Beans with Mission Control

• Lab:

• Monitor CPU utilization with Mission Control

• The Mission Control General Page

• Analyze JVM characteristics with Mission Control

• Mission Control MBeans Page

• Analyze heap memory with Mission Contro

• Mission Control Triggers Tab

• Mission Control Other Tabs

This lesson describes how to make use of the Java Flight Recorder recording and analysis tool.

Lessons:

• Describe Java Flight Recorder

• Lab:

• Describe the Java Flight Recorder architecture

• Starting a JFR Recording from Mission Control

• Start a flight recording

• Reviewing the Java Flight Recorder General Tab Group

• Manage a flight recording

• Reviewing the Java Flight Recorder Memory Tab Group

• Analyze a flight recording

• Reviewing the Java Flight Recorder Code Tab Group