developerjamiu · May 3, 2022 12:19 · May 3, 2022
diff --git a/error_handling.dart b/error_handling.dart
@@ -0,0 +1,39 @@
+void main() {}
+
+/// A piece of code checking for errors using exceptions
+
+/// Checking using exceptions
+void checkingForExceptions() {
+  try {
+    /// performing operation
+  } on FormatException {
+    /// Handle exception
+    print('Handling format exception');
+  } on StateError {
+    /// Handle exception
+    print('Handling state error');
+
+    /// You can keep adding more chains of On to handle specific errors
+    /// Then use catch to catch all other excections
+  } catch (ex) {
+    print(ex.toString());
+  }
+}
+
+/// Checking using control flow
+
+void checkingUsingIfElse() {
+  // assume 
+  final bool ifSuccessful = performComplexOperation();
+
+  if (!ifSuccessful) {
+    print('An error occured');
+  }
+}
+
+
+/// Should return true if operation is successful, otherwise return false
+/// We will return false to simulate an error
+bool performComplexOperation() {
+  return false;
+}