如何退出scla命令行界面和scala常用命令
对于初学者来说，有些东西要一点点来，尤其是基础，不能着急，无论你是小白，还是大白，有一些基础也好，多看基础命令对你来说都会有帮助的
一 常用命令
scala> :help
All cmands can be abbreviated, e.g., :he instead of :help.
:edit <id>|<line> edit history
:help [cmand] print this summary or cmandspecific help
:history [num] show the history (optional num is cmands to show)
:h? <string> search the history
:imports [name name ...] show import history, identifying sources of names
:implicits [v] show the implicits in scope
:javap <path|class> disassemble a file or class name
:line <id>|<line> place line(s) at the end of history
:load <path> interpret lines in a file
:paste [raw] [path] enter paste mode or paste a file
:power enable power user mode
:quit exit the interpreter
:replay [options] reset the repl and replay all previous cmands
:require <path> add a jar to the classpath
:reset [options] reset the repl to its initial state, forgetting all session entries
:save <path> save replayable session to a file
:sh <cmand line> run a shell cmand (result is implicitly => List[String])
:settings <options> update cpiler options, if possible; see reset
:silent disable/enable autatic printing of results
:type [v] <expr> display the type of an expression without evaluating it
:kind [v] <expr> display the kind of expression's type
:warnings show the suppressed warnings fr the most recent line which had any
scala>
二 退出
scala> :quit
[hadoop@master conf]$
使用sc.stop结束进程，然后按ctrl+z来退出
上一篇：23-7-25
Scala
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