exceptions

onesimus-wiafe · Nov 11, 2022 · 15b7b9a · 15b7b9a
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diff --git a/Scala/Day5/Friday.scala b/Scala/Day5/Friday.scala
@@ -0,0 +1,45 @@
+import java.io.{FileNotFoundException, FileReader, IOException}
+import java.nio.file.AccessDeniedException
+import scala.io.Source
+import scala.util.{Failure, Success, Try}
+
+@throws(classOf[RuntimeException])
+def half(n:Int): Int =
+  if n%2 == 0 then
+    n/2
+  else
+    throw new RuntimeException("n must be even")
+
+def workWithFile(path:String) ={
+//  try
+//    for (line <- Source.fromFile(path).getLines){
+//      println(line)
+//    }
+    Try{ Source.fromFile(path).getLines.mkString}
+
+//  catch
+//    case ex: FileNotFoundException =>println("Where is the file?")
+//    case ex: AccessDeniedException => println("Oh oh")
+}
+
+
+
+object Friday {
+  def main(args: Array[String]): Unit = {
+
+    //println(half(3))
+
+    try
+      print(half(3))
+    catch
+      case ex: RuntimeException => println("Well that didn't go well")
+//    println(half(2))
+
+    val result = workWithFile("src/main/scala/files/text.txt")
+    result match{
+      case Success(value) => println(value)
+      case Failure(e) => println(e.getMessage())
+    }
+
+  }
+}
diff --git a/Scala/Day5/files/text.txt b/Scala/Day5/files/text.txt
@@ -0,0 +1,3 @@
+What do you call a fish wearing a bowtie?
+
+Sofishticated!
Original file line number	Diff line number	Diff line change
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		What do you call a fish wearing a bowtie?

		Sofishticated!