CodeMode

 Unhandled Exception: This error occurs when an exception is thrown but not caught by any surrounding code. This can happen when you forget to add a try-catch block around a piece of code that could throw an exception. To resolve this error, add a try-catch block to catch the exception or make sure that the exception is caught by an existing try-catch block. Unhandled Exception: This error occurs when an exception is thrown but not caught by any surrounding code. Example: void main() {   throw Exception('Unhandled Exception'); } Solution: Add a try-catch block to catch the exception or make sure that the exception is caught by an existing try-catch block.

 TypeError: This error occurs when you try to use a variable or object of the wrong type. This can happen when you try to use a String where an int is expected, or when you try to call a method that is not supported by the variable or object. To resolve this error, check that you are using the correct type of variable or object, and that it supports the methods you are calling. Null check operator used on a null value: This error occurs when you try to use the null check operator (!) on a variable that is null. Example: void main() {   String? message;   print(message!.toUpperCase()); } Solution: Make sure that the variable is initialized before you use it, or use a null-aware operator (?.) instead of the null check operator.

 RangeError: This error occurs when an index or value is out of range. This can happen when an index is greater than the length of a list or when a value is outside the allowable range of a variable. To resolve this error, check that you are accessing the correct index or value, and that it falls within the allowable range. RangeError: This error occurs when an index or value is out of range. Example: void main() {   List<int> numbers = [1, 2, 3];   print(numbers[3]); } Solution: Check that you are accessing the correct index or value, and that it falls within the allowable range.

NoSuchMethodError: This error occurs when a method or function that does not exist is called. The most common cause of this error is a typographical error or a misspelled method name. To resolve this error, check that the method or function name is spelled correctly and that it exists in the current scope. Example - NoSuchMethodError: This error occurs when a method or function that does not exist is called. Example:   void main() {   printMessage(); } void printMessage() {   print('Hello, World!'); } Solution: Check that the method or function name is spelled correctly and that it exists in the current scope.