zoukankan      html  css  js  c++  java
  • 如何在Ubuntu上配置scala教程

    Scala是一门多范式的编程语言,一种类似java的编程语言,设计初衷是实现可伸缩的语言 、并集成面向对象和函数式变成的各种特性。这里为了学习spark特地配置了scala.

    1、下载scala安装包:

      http://www.scala-lang.org/download

          选择最新的安装包下载,进行保存;

    2、解压安装包到自己的目录,我解压在了opt目录下

      root@ubuntu:/opt# mkdir ./scala

      root@ubuntu:/opt/scala# tar zxvf ../../home/parry/Downloads/scala-2.11.7.tgz

    3、配置环境变量:

      打开profilr:

      root@ubuntu:/opt/scala/scala-2.11.7# gedit /etc/profile

      在最后添加配置:

      #SCALA setting
      export SCALA_HOME=/opt/scala/scala-2.11.7(这里是上面的解压路径)
      export PATH=#SCALA_HOME/bin;$PATH

      保存退出

    4、安装scala:

       (1)输入scala

        root@ubuntu:/opt/scala/scala-2.11.7# scala

        提示还未安装

        The program 'scala' is currently not installed. You can install it by typing:
        apt-get install scala

        根基提示输入apt-get install scala进行安装
        root@ubuntu:/opt/scala/scala-2.11.7# apt-get install scala

        提示下载更新和资源包:这里根据提示输入Y就可以;等到下载完成

        1 upgraded, 28 newly installed, 0 to remove and 250 not upgraded.
        Need to get 64.1 MB/64.4 MB of archives.
        After this operation, 98.6 MB of additional disk space will be used.
        Do you want to continue? [Y/n] Y
      (2)输入scala -version 产看scala版本信息:

        root@ubuntu:/opt/scala/scala-2.11.7# scala -version
        Scala code runner version 2.9.2 -- Copyright 2002-2011, LAMP/EPFL

        这里scala安装完成。
    5、scala测试:

      (1)输入scala进入scala,输入

        root@ubuntu:/opt/scala/scala-2.11.7# scala

        Welcome to Scala version 2.9.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_79).
        Type in expressions to have them evaluated.
        Type :help for more information.
      (2)输入1+1进行计算
        scala> 1+1
        res0: Int = 2
        scala>

        


      

  • 相关阅读:
    Oracle忘记用户名和密码以及管理员用户新增修改删除用户
    Oracle11.2安装和完全卸载及卸载后重装等问题
    软件测试之路2
    软件测试之路1
    Git入门笔记
    CentOS 6.5下二进制安装 MySQL 5.6
    十款压力测试工具
    tomcat 内存设置
    tomcat 安全
    tomcat 模式详解
  • 原文地址:https://www.cnblogs.com/parryyang/p/5132980.html
Copyright © 2011-2022 走看看