scala讀寫文本文件

1.scala讀文本文件

val bufferedSource = Source.fromFile("example.txt")
for (line <- bufferedSource.getLines) {
    println(line.toUpperCase)
}
bufferedSource.close

2.scala寫文本文件

// PrintWriter
import java.io._
val pw = new PrintWriter(new File("hello.txt"))
pw.write("Hello, world")
pw.close

// FileWriter
val file = new File("hello.txt")
val bw = new BufferedWriter(new FileWriter(file))
bw.write(text)
bw.close()