dart custom exception
class CustomException implements Exception {
String errorMessage() {
return ("Invalid Amount");
}
}
void AmountException(int amount) {
if (amount <= 0) {
throw new CustomException();
}
}
void main() {
try {
AmountException(0);
} catch (e) {
print(errorMessage());
}
}dart custom exception
class CustomException implements Exception {
String cause;
CustomException(this.cause);
}
void main() {
try {
throwException();
} on CustomException {
print("custom exception is been obtained");
}
}
throwException() {
throw new CustomException('This is my first custom exception');
}Copyright © 2021 Codeinu
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