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Articles tagged with #object-oriented-programming
Flutter Framework environment setup : Setting up the Flutter framework environment involves several steps. Here's a general guide to help you get started: System Requirements: Ensure your development machine meets Flutter's system requirements. Fl...
What is Flutter Framework? This article is intended to provide a high-level overview of the architecture of Flutter, including the core principles and concepts that form its design. Flutter is a cross-platform UI toolkit that is designed to allow c...
Typedef Keyword : In Dart, the typedef is used to generate an alias for function type that we can use it as type annotation for declaring variables and return types of that function type. An alias of function type can be used as type annotation in v...
Assert Statement : During development, use an assert statement— assert(<condition>, <optionalMessage>); —to disrupt normal execution if a boolean condition is false. // Make sure the variable has a non-null value. assert(text != null); // Ma...
Throw Keyword : The throw keyword is used to explicitly raise an exception. A raised exception should be handled to prevent the program from exiting abruptly. Syntax : throw new Exception_name() Example : main() { try { test_age...
Finally clause : To ensure that some code runs whether or not an exception is thrown, use a finally clause. If no catch clause matches the exception, the exception is propagated after the finally clause runs: try { breedMoreLlamas(); } fina...
