java on mac

I want to do this online course on java located here: http://www.bfoit.org/itp/JavaProgram.html

i need a java compiler and vm in order to work on this course correct?

i have a brand new mac.

Supposedly all macs come with all the java programs that i need.

How do I access them?

I tried to doing the first "hello world" lesson that site and i dont know how to open the .jar file that i created on textedit with a java compiler and virtual machine as directed.
yondAsked:
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objectsConnect With a Mentor Commented:
I'd suggest grabbing an ide such as eclipse

> I tried to doing the first "hello world" lesson that site and i dont know how to open the .jar file that i created on textedit with a java compiler and virtual machine as directed.

open a terminal window if you want to use a command line
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CEHJConnect With a Mentor Commented:
>>Supposedly all macs come with all the java programs that i need.

If that's correct, then the following command at the command line should return something. If not, download the JDK. Don't use anything other than a text editor to begin with or you'll have an extra learning curve
which javac

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yondAuthor Commented:
where do i put that command which javac
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CEHJCommented:
In the terminal appplication
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yondAuthor Commented:
assume that i do have java on the computer how do i open this file i created called hello.java
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CEHJCommented:
Opening it is not an issue. hello.java is a text file. You need to compile it and run it. For that you need a jdk
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GenroseSusaiConnect With a Mentor Commented:
Go to the Application > Utilities > Terminal
go to the respective folder using cd command and
Now type > pico hello.java
It would open the java file in editor mode.


Hope this helps you.
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mrcoffee365Commented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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