[JAVA] [For beginners] Install JDK + Eclipse on Mac (without Pleiades All-in-One)

** * All information is as of the time of article creation ** From " Until building a Web application development environment using Java on MacOS ".

Introduction

--Attempted to install the integrated development environment "Eclipse" using All-in-One on MacOS Mojave 10.14.3 ――However, I got a warning that I do not have access rights and could not install, so I decided to take another method

things to do

--Install separately what should be able to be installed in bulk with All-in-One

Things necessary

1. JDK
2. Eclipse
3. Pleiades (Japanese plugin)

JDK installation

1. Access the following site
   http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
2. Select "Accept License Agreement" of "Java SE Development Kit 8u211"
3. Click jdk-8u211-macosx-x64.dmg to download the target file
4. Open jdk-8u211-macosx-x64.dmg
5. Open JDK 8 Update 211.pkg
6. Install the JDK according to the installer

Eclipse installation

1. Access the following site (Eclipse official site)
   https://www.eclipse.org/downloads/packages/
2. Next to "Mac Cocoa" in "Eclipse IDE for Enterprise Java Developers"
   Click "64-bit" to download the target file
3. Open ʻeclipse-jee-2019-03-R-macosx-cocoa-x86_64.dmg`
4. Drag and drop ʻEclipse.app to / Application`
5. Execute Eclipse from / Application when copying to / Application is completed
   If a message such as "Developer is unknown ..." appears, go to "System Preferences"
   → "Security & Privacy". I'll allow you to open the application
6. If executed correctly, you should see a screen to set Workspace.

Install Pleiades

1. Access the following site
   http://mergedoc.osdn.jp

2. Click the "Mac" button in "Pleiades Plugin Download"
   pleiades-mac.zip is downloaded

3. Unzip pleiades-mac.zip

4. 
   the contents of pleiades-mac / features Copy into /Applications/Eclipse.app/Contents/Eclipse/features

5. Similarly,
   the contents of pleiades-mac / plugins Copy into /Applications/Eclipse.app/Contents/Eclipse/plugins

6. Open /Applications/Eclipse.app/Contents/Eclipse/eclipse.ini with a
   text editor.

7. Add the following two lines to the last line as they are (including the hyphen at the beginning of the line)

   -Xverify:none
   -javaagent:../Eclipse/plugins/jp.sourceforge.mergedoc.pleiades/pleiades.jar
   

8. Save and close ʻeclipse.ini`

9. Run ʻEclipse.app` and it should be in Japanese

next

Introducing Tomcat to Eclipse