小编sou*_*net的帖子

试图用纱线安装一个包,但是我得到并且错误地说我需要nodejs,但安装nodejs会删除yarn.同样,当我安装yarn时,会删除nodejs.我错过了什么？

$ yarn install some-package
Yarn requires Node.js 4.0 or higher to be installed.

$ curl -sL https://deb.nodesource.com/setup_7.x | sudo -E bash -
...
...
$ sudo apt-get install -y nodejs
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  gyp libc-ares-dev libjs-node-uuid libv8-3.14-dev
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  yarn
The following NEW packages will be installed:
  nodejs
...

$ …

在Bash中,如果我想以给定的顺序迭代数组的元素,我可以这样做:

    for i in 1 3 8 2 5 9; do
        array[i] = <some_algorithm_based_value>
    done

是否可以在Java中执行相同(或相对相同)的操作？