ubuntu install Scala

Reference Address: https://blog.csdn.net/qq_36743482/article/details/78317549

1. Download Scala: http://www.scala-lang.org/download/ 

Install Scala

1, home directory, create a directory scala

mkdir scala

2, the scala mobile to create a directory and extract

mv-scale 2.12.3 .tgz scale 
tar -zvxf-scale 2.12.3.tgz

3, open / etc / profile, or ~ / .bashrc configuration environment variable

sudo vim /etc/profile

or

sudo vim ~/.bashrc

In the final configuration add content

export SCALA_HOME=/home/yzh/scala/scala-2.12.3
export PATH=${SCALA_HOME}/bin:$PATH

Note: / etc / profile for all user variables; ~ / .bashrc for the current user  
Note: If the author of this PATH variable it all together, and through ":" separated, we must ensure that the path variable in all HOME behind the variables.

The variables to take effect

source /etc/profile 

or

source ~/.bashrc

Execution scala, where there is the interface installation is successful 

 

 Enter the following command to exit scala

:quit