Download java for mac air

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I Accept Privacy Policy. The first step is writing a simple Java program. Open up a text editor the built-in TextEdit app works fine , type in the following code, and save the file as "HelloWorld.

How to install Java JDK on Mac OS X ( with JAVA_HOME )

This simple program declares a single class called HelloWorld , with a single method called main. The main method is special in Java, because it is the method the Java runtime will attempt to call when you tell it to execute your program. Think of it as a starting point for your program.

The System.

Now that you have written a simple Java program, you need to compile it. Type the following commands into the terminal:. You just compiled your first Java application, albeit a simple one, on OSX. The process of compiling will produce a single file, called "HelloWorld.

This file contains Java byte codes, which are the instructions that the Java Virtual Machine understands.

Mac OS X information for installing and using Java

Once it loads that class, it will execute the main method I mentioned earlier. You should see "Hello World! That's all there is to it. You can use it as your text editor in this example, but it is certainly not necessary.

STOP! Installing Java on a Mac? Don't just click OK...

Download and install Eclipse, and you're good to go. Apple provides its own version of Java, so make sure it's up-to-date. Eclipse is an integrated development environment. It has many features, but the ones that are relevant for you at this stage is:.

  • A Java updater for OS X.
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You need to make sure that a mac compatible version of java exists on your computer. Do java -version from terminal to check that. If not, download the apple jdk from the apple website. Sun doesn't make one for apple themselves, IIRC. From there, follow the same command line instructions from compiling your program that you would use for java on any other platform. Other solutions are good enough to answer your query. However, if you are looking for just one command to do that for you -.

Installing Eclipse

Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Would you like to answer one of these unanswered questions instead? How do I compile and run a program in Java on my Mac?

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