安装Scala
第一个程序 （Hello World）#
1.scala:
object HelloWorld {
def main(args: Array[String]) {
println("Hello, world!")
}
}
hcheng@chenghao:~/home/hcheng/scalac 1.scala
hcheng@chenghao:~/home/hcheng/scala HelloWorld
hcheng@chenghao:~/SCALA_HOME/bin/scala
scala>println("Hello, world!")
Hello, world！
scala>
2.scala：
println("Hello, world!")
$/tmp>scala 2.scala
Hello, world！
file: script.sh
#!/bin/sh
exec scala "$0" "$@"
!#
object HelloWorld {
def main(args: Array[String]) {
println("Hello, world! " + args.toList)
}
}
HelloWorld.main(args)
$/tmp>chmod +x script.sh
$/tmp>./script.sh
Hello, world！
更多入门
示说网上，Scala 编程语言PPT
