7、lloWorld.scala:object HelloWorld def main(args: ArrayString) println(Hello, SBT) 假设我们HelloWorld.scala放到hello目录下,那么可以尝试在该目录下执行:$ sbt run info Running HelloWorld Hello, SBT success Total time: 2 s, completed Sep 2, 2012 7:54:58 PM怎么样,是不是很简单那? (画外音:...