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



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