Data commit

Task/File-modification-time/Scala/file-modification-time.scala

@@ -0,0 +1,18 @@
+import java.io.File
+import java.util.Date
+
+object FileModificationTime extends App {
+  def test(file: File) {
+    val (t, init) = (file.lastModified(),
+      s"The following ${if (file.isDirectory()) "directory" else "file"} called ${file.getPath()}")
+
+    println(init + (if (t == 0) " does not exist." else " was modified at " + new Date(t).toInstant()))
+    println(init +
+      (if (file.setLastModified(System.currentTimeMillis())) " was modified to current time." else " does not exist."))
+    println(init +
+      (if (file.setLastModified(t)) " was reset to previous time." else " does not exist."))
+  }
+
+  // main
+  List(new File("output.txt"), new File("docs")).foreach(test)
+}