Java 11 Cookbook · 2nd Edition by Nick Samoylov, Mohamed Sanaulla -- Read -- Imperial Library of Trantor

Index

Title Page Copyright and Credits

Java 11 Cookbook Second Edition

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Contributors

About the authors About the reviewer Packt is searching for authors like you

Preface

Who this book is for What this book covers To get the most out of this book

Download the example code files Conventions used

Sections

Getting ready How to do it… How it works… There's more… See also

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Reviews

Installation and a Sneak Peek into Java 11

Introduction Installing JDK 18.9 on Windows and setting up the PATH variable

How to do it...

Installing JDK 18.9 on Linux (Ubuntu, x64) and configuring the PATH variable

How to do it...

Compiling and running a Java application

Getting ready How to do it...

What's new in Java 11?

Getting ready How to do it...

JEP 318 – Epsilon JEP 321 – HTTP Client (Standard) JEP 323 – Local-Variable Syntax for Lambda Parameters JEP 333 – ZGC New API

There's more...

Using application class-data sharing

Getting ready How to do it...

Fast Track to OOP - Classes and Interfaces

Introduction Implementing object-oriented design (OOD)

Getting ready How to do it... How it works... There's more...

Using inner classes

Getting ready How to do it... How it works... There's more...

Using inheritance and aggregation

Getting ready How to do it... How it works...

Aggregation makes the design more extensible

Coding to an interface

Getting ready How to do it... How it works... There's more...

Creating interfaces with default and static methods

Getting ready How to do it... How it works...

Creating interfaces with private methods

Getting ready How to do it... How it works... There's more...

A better way to work with nulls using Optional

Getting ready How to do it... How it works... There's more...

Using the utility class Objects

Getting ready How to do it... How it works...

Modular Programming

Introduction Using jdeps to find dependencies in a Java application

Getting ready How to do it... How it works... There's more...

Creating a simple modular application

Getting ready How to do it... How it works... See also

Creating a modular JAR

Getting ready How to do it...

Using a module JAR with pre-Project Jigsaw JDK applications

Getting ready How to do it...

Bottom-up migration

Getting ready How to do it...

Modularizing banking.util.jar Modularizing math.util.jar Modularizing calculator.jar

How it works...

Top-down migration

Getting ready How to do it...

Modularizing the calculator Modularizing banking.util Modularizing math.util

Using services to create loose coupling between the consumer and provider modules

Getting ready How to do it...

Creating a custom modular runtime image using jlink

Getting ready How to do it...

Compiling for older platform versions

Getting ready How to do it... How it works...

Creating multi-release JARs

How to do it... How it works...

Using Maven to develop a modular application

Getting ready How to do it...

Making your library module-path-friendly

Getting ready How to do it... How it works... There's more...

How to open a module for reflection

Getting ready How to do it... How it works...

Going Functional

Introduction Using standard functional interfaces

Getting ready How to do it... How it works... There's more...

Creating a functional interface

Getting ready How to do it... How it works... There's more...

Understanding lambda expressions

Getting ready How to do it... How it works... There's more...

Using lambda expressions

Getting ready How to do it... How it works... There's more...

Using method references

Getting ready How to do it...

Static unbound method reference Non-static bound method reference Non-static unbound method reference Constructor method references

There's more...

Leveraging lambda expressions in your programs

Getting ready How to do it... There's more...

Streams and Pipelines

Introduction Creating immutable collections using the of() and copyOf() factory methods

Getting ready How to do it... There's more...

Creating and operating on streams

Getting ready How to do it... How it works...

Using numeric streams for arithmetic operations

Getting ready How to do it... There's more...

Completing streams by producing collections

Getting ready How to do it...

Completing streams by producing maps

Getting ready How to do it...

Completing streams by producing maps using grouping collectors

Getting ready How to do it... There's more...

Creating stream operation pipeline

Getting ready How to do it... There's more...

Processing streams in parallel

Getting ready How to do it...

Database Programming

Introduction Connecting to a database using JDBC

How to do it... How it works... There's more...

Setting up the tables required for DB interactions

Getting ready How it works... There's more...

Performing CRUD operations using JDBC

Getting ready How to do it... There's more...

Using the Hikari Connection Pool (HikariCP)

Getting ready How to do it... How it works... There's more...

Using prepared statements

Getting ready How to do it... There's more...

Using transactions

Getting ready How to do it... There's more...

Working with large objects

Getting ready How to do it... There's more...

Executing stored procedures

Getting ready How to do it... There's more...

Using batch operations for a large set of data

Getting ready How to do it... How it works... There's more...

Using MyBatis for CRUD operations

Getting ready How to do it... How it works... There's more...

Using the Java Persistence API and Hibernate

Getting ready How to do it... How it works...

Concurrent and Multithreaded Programming

Introduction Using the basic element of concurrency – thread

Getting ready How to do it... There's more...

Different synchronization approaches

Getting ready How to do it... There's more...

Immutability as a means of achieving concurrency

Getting ready How to do it... There's more...

Using concurrent collections

Getting ready How to do it... How it works...

Using the executor service to execute async tasks

Getting ready How to do it... How it works... There's more...

Using fork/join to implement divide-and-conquer

Getting ready How to do it...

Using flow to implement the publish-subscribe pattern

Getting ready How to do it...

Better Management of the OS Process

Introduction Spawning a new process

Getting ready How to do it... How it works...

Redirecting the process output and error streams to file

Getting ready How to do it... There's more...

Changing the working directory of a subprocess

Getting ready How to do it... How it works...

Setting the environment variable for a subprocess

How to do it... How it works...

Running shell scripts

Getting ready How to do it... How it works...

Obtaining the process information of the current JVM

How to do it... How it works...

Obtaining the process information of the spawned process

Getting ready How to do it...

Managing the spawned process

How to do it...

Enumerating live processes in the system

How to do it...

Connecting multiple processes using pipe

Getting ready How to do it... How it works...

Managing subprocesses

Getting ready How to do it... How it works...

RESTful Web Services Using Spring Boot

Introduction Creating a simple Spring Boot application

Getting ready How to do it... How it works...

Interacting with the database

Getting ready

Installing MySQL tools Creating a sample database Creating a person table Populating sample data

How to do it... How it works...

Creating a RESTful web service

Getting ready How to do it... How it works...

Creating multiple profiles for Spring Boot

Getting ready How to do it... How it works... There's more...

Deploying RESTful web services to Heroku

Getting ready

Setting up a Heroku account Creating a new app from the UI Creating a new app from the CLI

How to do it... There's more...

Containerizing the RESTful web service using Docker

Getting ready How to do it... How it works...

Monitoring the Spring Boot 2 application using Micrometer and Prometheus

Getting ready How to do it... How it works... There's more

Networking

Introduction Making an HTTP GET request

How to do it... How it works...

Making an HTTP POST request

How to do it...

Making an HTTP request for a protected resource

How to do it... How it works...

Making an asynchronous HTTP request

How to do it...

Making an HTTP request using Apache HttpClient

Getting ready How to do it... There's more...

Making an HTTP request using the Unirest HTTP client library

Getting ready How to do it... There's more...

Memory Management and Debugging

Introduction Understanding the G1 garbage collector

Getting ready How to do it... How it works...

Unified logging for JVM

Getting ready How to do it...

Using the jcmd command for the JVM

How to do it... How it works...

Try-with-resources for better resource handling

How to do it... How it works...

Stack walking for improved debugging

Getting ready How to do it... How it works...

Using the memory-aware coding style

How to do it...

Best practices for better memory usage

How to do it...

Understanding Epsilon, a low-overhead garbage collector

How to do it...

The Read-Evaluate-Print Loop (REPL) Using JShell

Introduction Getting familiar with REPL

Getting ready How to do it... How it works...

Navigating JShell and its commands

How to do it...

Evaluating code snippets

How to do it... There's more...

Object-oriented programming in JShell

How to do it...

Saving and restoring the JShell command history

How to do it...

Using the JShell Java API

How to do it... How it works...

Working with New Date and Time APIs

Introduction How to work with time zone-independent date and time instances

Getting ready How to do it… How it works… There's more…

How to construct time zone-dependent time instances

Getting ready How to do it… How it works… There's more…

How to create a date-based period between date instances

Getting ready How to do it… How it works… There's more…

How to create a time-based period between time instances

Getting ready How to do it… How it works… There's more…

How to represent epoch time

Getting ready How to do it… How it works… There's more…

How to manipulate date and time instances

Getting ready How to do it… There's more…

How to compare date and time

Getting ready How to do it… There's more…

How to work with different calendar systems

Getting ready How to do it… How it works… There's more…

How to format dates using the DateTimeFormatter

Getting ready How to do it… How it works…

Testing

Introduction Behavioral testing using Cucumber

How to do it... How it works...

Unit testing of an API using JUnit

Getting ready How to do it... How it works...

Unit testing by mocking dependencies

Getting ready How to do it... How it works... There's more...

Using fixtures to populate data for testing

How to do it... How it works...

Integration testing

Getting ready How to do it... How it works...

The New Way of Coding with Java 10 and Java 11

Introduction Using local-variable type inference

Getting ready How to do it...

Using local-variable syntax for lambda parameters

Getting ready How to do it...

GUI Programming Using JavaFX

Introduction Creating a GUI using JavaFX controls

Getting ready How to do it... How it works...

Using the FXML markup to create a GUI

Getting ready How to do it... How it works...

Using CSS to the style elements in JavaFX

Getting ready How to do it... How it works...

Creating a bar chart

Getting ready How to do it... How it works...

Creating a pie chart

Getting ready How to do it... How it works...

Embedding HTML in an application

Getting ready How to do it... How it works... There's more...

Embedding media in an application

Getting ready How to do it... How it works... There's more...

Adding effects to controls

Getting ready How to do it... How it works... There's more...

Using the Robot API

Getting ready How to do it... How it works...

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