Exceptions/Catch an exception thrown in a nested call: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,980: / Line 1,980: @@
 =={{header|Scala}}==
-{{incorrect|Scala|Show/describe what happens when the program is run.}}
 [[Category:Scala Implementations]]{{libheader|Scala}}<lang Scala>object ExceptionsTest extends App {
   class U0 extends Exception
   class U1 extends Exception
-  def foo() {
+  def foo {
     for (i <- 0 to 1)
       try {
         bar(i)
-      } catch { case e: U0 => System.out.println("Function foo caught exception U0") }
+      } catch { case e: U0 => println("Function foo caught exception U0") }
   }
   def bar(i: Int) {
+    def baz(i: Int) = { if (i == 0) throw new U0 else throw new U1 }
     baz(i) // Nest those calls
   }
+  foo
-  def baz(i: Int) = { if (i == 0) throw new U0 else throw new U1 }
+}
+</lang>Exception U0 is caught, exception U1 is caught and re-thrown. Program execution is terminated as the U1 exception is not caught when thrown the second time.
-  foo()
-}</lang>
 =={{header|Smalltalk}}==