LookupDispatchAction is like DispatchAction but LookupDispatchAction uses the value of the request parameter to perform a reverse lookup (using protected Map ge...
Struts Extras provides several popular but non-essential classes, including:
ActionDispatcher An Action helper class that dispatches to a public method in an...
A DispatchAction contains a number of different methods other than the standard execute(). These methods are executed based on some request parameter. Your acti...
To override a method, a subclass of the class that originally declared the method must declare a method with the same name, return type (or a subclass of that r...
1. Overload - two functions that appear in the same scope are overloaded if they have the same name but have different parameter list
2. main() cannot be ove...
An argument can be passed in two ways. They are Pass by Value and Passing by Reference.
Passing by value: This method copies the value of an argument into th...
Class instances often encapsulate control over resources that are not managed by the runtime, such as window handles (HWND), database connections, and so on. Th...
While defining method, variables passed in the method are called parameters. While using those methods, values passed to those variables are called arguments....
Class instances often encapsulate control over resources that are not managed by the runtime, such as window handles (HWND), database connections, and so on. Th...