Initial data commit

Task/Exceptions/Java/exceptions-4.java

@@ -0,0 +1,13 @@
+public void foo() throws UnsupportedDataTypeException{
+    try{
+        throwsNumberFormatException();
+        //the following methods throw exceptions which extend IOException
+        throwsUnsupportedDataTypeException();
+        throwsFileNotFoundException();
+    }catch(FileNotFoundException | NumberFormatException ex){
+        //deal with these two Exceptions without duplicating code
+    }catch(IOException e){
+        //deal with the UnsupportedDataTypeException as well as any other unchecked IOExceptions
+        throw e;
+    }
+}