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  • Book Overview & Buying OpenJDK Cookbook
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OpenJDK Cookbook

OpenJDK Cookbook

By : Kobylyanskiy, Mironchenko
4 (2)
Buy this Book
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OpenJDK Cookbook

OpenJDK Cookbook

4 (2)
By: Kobylyanskiy, Mironchenko
Buy this Book

Overview of this book

If you are an experienced Java developer using Java 7 platform and want to get your grips on OpenJDK for Java development, this is the book for you. JDK users who wish to migrate to OpenJDK will find this book very useful.
Table of Contents (15 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Sections
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Getting Started with OpenJDK
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1. Getting Started with OpenJDK
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Introduction
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Distinguishing OpenJDK from Oracle JDK
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Installing OpenJDK on Windows
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Configuring OpenJDK on Windows
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Installing OpenJDK on Linux
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Configuring OpenJDK on Linux
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Navigating through OpenJDK groups and projects
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2. Building OpenJDK 6
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2. Building OpenJDK 6
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Introduction
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Preparing CA certificates
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Building OpenJDK 6 on Ubuntu Linux 12.04 LTS
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Setting up the minimum build environment for the most compatible Linux builds
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Installing Cygwin for Windows builds
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Building 32-bit FreeType libraries for OpenJDK 6 on Windows
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Building 64-bit FreeType libraries for OpenJDK 6 on Windows
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Building 32-bit OpenJDK 6 on Windows 7 SP1
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Building 64-bit OpenJDK 6 on Windows 7 x64 SP1
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3. Building OpenJDK 7
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3. Building OpenJDK 7
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Introduction
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Building OpenJDK 7 on Ubuntu Linux 12.04 LTS
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Building OpenJDK 7 on Mac OS X
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Building 32-bit FreeType libraries for OpenJDK 7 on Windows
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Building 64-bit FreeType libraries for OpenJDK 7 on Windows
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Building 32-bit OpenJDK 7 on Windows 7 SP1
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Building 64-bit OpenJDK 7 on Windows 7 x64 SP1
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Preparing a standalone toolchain for 32- and 64-bit Windows' builds
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4. Building OpenJDK 8
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4. Building OpenJDK 8
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Introduction
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Working with GNU Autoconf
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Building OpenJDK 8 Ubuntu Linux 12.04 LTS
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Using ccache to speed up the OpenJDK 8 build process
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Building OpenJDK 8 on Mac OS X
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Building OpenJDK 8 on Windows 7 SP1
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5. Building IcedTea
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5. Building IcedTea
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Introduction
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Building IcedTea 6
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Building IcedTea 7
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Building OpenJDK 7 with IcedTea patches
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Building IcedTea 7 with the NSS security provider
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Building IcedTea 6 with the SystemTap support
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6. Building IcedTea with Other VM Implementations
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6. Building IcedTea with Other VM Implementations
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Introduction
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Configuring cross-compilation between ARM and x86
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Building IcedTea for ARM with integrated CACAO VM
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Porting JamVM to use OpenJDK
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Configuring Zero-assembler with the Shark compiler to use OpenJDK
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Building for MIPS and other architectures using OpenEmbedded recipes
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7. Working with WebStart and the Browser Plugin
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7. Working with WebStart and the Browser Plugin
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Introduction
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Building the IcedTea browser plugin on Linux
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Using the IcedTea Java WebStart implementation on Linux
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Preparing the IcedTea Java WebStart implementation for Mac OS X
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Preparing the IcedTea Java WebStart implementation for Windows
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8. Hacking OpenJDK
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8. Hacking OpenJDK
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Introduction
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Setting up the development environment with NetBeans
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Working with Mercurial forest
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Understanding OpenJDK 6 and 7 incremental builds
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Debugging Java code using NetBeans
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Debugging C++ code using NetBeans
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Using NetBeans to compile HotSpot
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Using HotSpot dev parameters
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Adding new intrinsic to HotSpot
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Building VisualVM from the source code
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Creating a plugin for VisualVM
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Getting benefits from the AdoptOpenJDK project
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9. Testing OpenJDK
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9. Testing OpenJDK
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Introduction
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Running tests using the downloaded or the built version of jtreg
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Building jtreg from the source
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Running the standard set of OpenJDK tests
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Writing your own test for jtreg
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Using jtreg in GUI mode
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Writing TestNG tests for jtreg
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Compiling JT Harness from the source code
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Building and running jcstress
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Writing tests for jcstress
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Creating a benchmark project using JMH
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Downloading the source and compiling JHM
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10. Contributing to OpenJDK
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10. Contributing to OpenJDK
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Introduction
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Becoming a contributor
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Generating a patch with webrev
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Backporting OpenJDK v9 patches to OpenJDK v8
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Understanding OpenJDK groups
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Understanding OpenJDK projects
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Suggesting new JSRs
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Suggesting new JEPs
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11. Troubleshooting
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11. Troubleshooting
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Introduction
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Navigating through the process workflow
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Submitting a defect to the OpenJDK bug systems
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Creating a patch using NetBeans
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Creating a code review
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12. Working with Future Technologies
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12. Working with Future Technologies
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Introduction
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Building OpenJDK 9 on Mac OS X using Clang
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Building OpenJDK 9 on Windows using MSYS
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Running and testing the early access preview of OpenJDK 9
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Using Jigsaw
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Building OpenJDK 9 with Graal
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Building OpenJDK 9 with Sumatra
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13. Build Automation
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13. Build Automation
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Introduction
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Installing VirtualBox
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Preparing SSH keys
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Preparing VirtualBox machines with Linux
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Preparing VirtualBox machines with Mac OS X
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Preparing VirtualBox machines with Windows
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Automating builds
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Building cross-platform installers
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Index
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Index

Writing your own test for jtreg

If you are going to add a new feature to OpenJDK or fix a bug, it is really a good idea to have a test case to cover the change in functionality and to ensure that the implementation change doesn't break anything. This recipe will help you to get some understanding of the process and create a simple test. You will find that writing your own test case for jtreg is not a complicated task, but it can be slightly unusual in some respects.

Getting ready

All that is required for this recipe is an installed jtreg and the OpenJDK sources. The latter is required only because this recipe assumes that the newly created test is for OpenJDK.

How to do it...

Writing tests for jtreg can be a little unusual, but when you get used to the pattern it is actually quite easy. To begin, just follow the steps. Keep in mind that all the paths are given relative to the OpenJDK source root:

  1. Go to the root folder of OpenJDK and create the jdk/test/demo/SampleTest.java file first:

    /* @test...
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OpenJDK Cookbook
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