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Struts is a framework with set of co operating servlets, classes and JSP tags that create a reusable MVC 2 design. 1. Client (Browser) : A request from the cli
What do you mean by synchronization and its importance?
Write a program using local variable Public void someMethod( ) { int x; //local variable System.out.println(x); // compile time error } - Constructor - Doesn't
Inheritance - is the inclusion of state and behavior of a base class in a derived class so that they are accessible in that derived class. The key benefit of Inheritance is that
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
Describe Interfaces in java langauge? Interfaces are the further level of abstraction. An interface is like a class along with nothing but abstract methods and final, static fi
Describe Unbalanced Arrays ? Such as C Java does not have true multidimensional arrays. Java fakes multidimensional arrays by using arrays of arrays. This means that it is prob
Describe Remote Objects A Remote Object is one whose functions can be called from another JVM. A remote object class must execute the Remote interface. A RMI Server is an appl
Implement the compare method of the following class RectangleComparator. The method compares two rectangles. The method should return: A positive integer if the area of the first r
An introduction permits the user to add new methods or attributes to an existing class. This can then be explained to an existing class without having to change the structure of th
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