Do You Need To Download Java On Mac


Cross-play with Java Edition: Windows, Mac, and Linux Allows you to play with other Java edition players. Split screen multiplayer (online multiplayer requires subscription sold separately) Playing split screen allows up to four players to play on the screen at the same time. In the list on the right select, the Java Plugin - the name of the plugin will vary depending on whether you are a Mac OS X or Windows user. On the Mac, it will be called Java Plug-in 2 for NPAPI Browsers or Java Applet Plug-in (depending on the operating system version). On Windows, it will be called Java (TM) Platform.

What you must have

In order to run other peoples' Java programs, you must have the JRE (Java Runtime Environment). In order to write and run your own Java programs, you must have the JDK (Java Development Kit), which is sometimes called the SDK (System Development Kit)--these are the same thing. The JDK includes the JRE, so don't get both.

As of this writing (June 2005), the latest and greatest version of Java is Java 2 Platform, Standard Edition 5.0, also known as 'Java 2 version 5' or 'Java 5' or 'J2SE 5.0' (yes, the numbering is confusing), available from If you have Windows or Linux, you must download and install the JDK; if you have Mac OS X, you already have the JDK, but you should check if it is the latest version.

You also need a text editor with which to write programs. Any text editor that saves plain text will do, such as Microsoft's Notepad. Recommended editors are TextPad on Windows and BBEdit on the Macintosh. However, most IDEs (see below) include a text editor.

What it's nice to have

An IDE (Integrated Development Environment) is a single program that lets you edit, compile, run, test, and debug programs, all in one place. If you do not have an IDE, you need to learn how to compile and run Java programs from the command line; this isn't difficult, just less convenient.

Except as noted, all these IDEs are free and will run on any computer system.

IDEs for beginners

BlueJ is probably the simplest IDE; its main advantages are that it shows a diagram of how your classes relate to one another, and it has simple menus.

DrJava is also simple; its main advantages are that it allows you to test out individual Java statements, and the editor is more powerful.

JCreator is another simple IDE; its main disadvantage is that it only runs on Windows. The LE version is free.

IDEs for professionals

Professional IDEs have many more features, and are correspondingly harder to learn. Once you become reasonably comfortable with Java, you really should take the time to master a powerful IDE. You will be surprised at how much work it will save you.

Eclipse is an extremely good and very popular IDE. It is the one I use. It comes with good tutorials. Get the latest 'Stream Stable Build.'

IntelliJ Idea is said (by people who have used both) to be even better than Eclipse. Its main disadvantage is that it is expensive (about $500), although the educational discount price is (barely) affordable.

NetBeans is Sun's own IDE, and is said to be catching up with Eclipse. Its main advantage is that it can be downloaded along with the JDK (see above), hence is very well known. It also provides a visual GUI builder, but that relies on some packages that must be included with your program if it is to run outside the NetBeans environment.

JBuilder, by Borland, is probably the best commercial IDE; the 'Foundation' version is free.

How to download and install the Java language on your machine as well as a program that lets you write, compile and run Java code. In this post, I’ll tell you how to install Java and write Java code in the IntelliJ Idea editor.

Install Java For Mac

Download Java

Java is a programming language owned and distributed by Oracle, but you can use it for free! You need to download and install the JDK or “Java Development Kit”.

  1. Go to
  2. At the top of the page you should see a button that looks like this:

If you click on that button it should take you to a page with the current list of Java downloads.

First you’ll need to click the “Accept License Agreement” radio button, then you can select the download that best fits your machine.

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  1. Once you have downloaded the appropriate JDK file, you need to run the installer. To do this double click the file that you downloaded.

This should launch the JDK installer dialog. It will ask you some questions, but you can just repeatedly click “next” as the default options should work fine for most developers.

Download IntelliJ IDEA

There are a number of different editors you can use to write your Java code. For this course we will use IntelliJ IDEA, a free program created and distributed by JetBrains. You are welcome to use any program you prefer.

  1. Go to download IntelliJ. If you click on the “download” button it should take you to a part of the page that describes the difference between “Ultimate” and “Community” editions.Make sure you download the community editionas that has more than enough features and is free to use for as long as you like.
  1. Once you’ve downloaded the IntelliJ installer find it in your files and run the program.

This should launch the IntelliJ installer. You should be able to click “next” as all the default settings should work fine for most developers.

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  1. After you have fully installed IntelliJ you should open the program. The first time you open IntelliJ there are a few more set up steps you need to do.
Do You Need To Download Java On Mac
  1. First IntelliJ will prompt you to see if you want to include any setting from previous versions, chances are this is your first time using IntelliJ so you should select “no”.
  1. Then IntelliJ will ask you to pick a theme. This is completely up to personal preference. You’ll notice that in this course we use the Darcula theme.
  1. Then you will be asked if you want to include any additional plugins. You do not need any plugins for this course, so you should be able to just select next and move on from these prompts.
  1. Now you should be taken to the IntelliJ editor. It will ask you what you want to do first and you should select “Create New Project”.

This should take you to the Create new Project prompt.

Do I Need To Download Java For Mac

Since this is the first time you will be writing Java with IntelliJ you need to configure IntelliJ to know where the JDK you previously downloaded is on your machine. Click the “New…” button next to the drop down and select the location of the JDK on your machine.

Note that by default the JDK is in Program Files > Java.

  1. Once your JDK is included you can create a new project. In the dialog box once you select “next” you will be taken to a new dialog box that will ask you if you want to create your project using a template. For this course we will not use any templates, so simply click next.

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  1. The next step in creating a new project is adding the name. IntelliJ will use this name to create a new folder on your computer to hold all the project files.

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  1. Once you have named your project and selected “finish” you have a new, but empty IntelliJ project. To start writing code you’ll need a new Java file. To add a Java file, expand the project folder in your navigation bar on the left, right click on the “src” folder, select “new” and choose “Java Class” like shown below:

Now you have an empty file where you can write, compile and run Java code!