According to our research of Washington and other state lists there were 3 registered sex offenders living in Oakville, Washington as of October 07, 2015. The ratio of number of residents in Oakville to the number of sex offenders is 225 to 1.
I thought so as well but accusing to the website https://mojang.com/2015/07/announcing-minecraft-windows-10-edition-beta/ things are changing. I very much doubt they will stop working on the java version since it supports multiplatforms aka making them more money.
Download and open Minecraft.dmg. Drag Minecraft to your Applications folder to install it. Then run game just like you would any other application. Download the Minecraft.jar file to run the game on Linux or something else. It's executable and should work as-is if you have Java installed (please use Oracle's JVM). If you don't have Java installed, you can get it here.