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Problem:
(a) A GUI can contain text-fields, buttons, and other labels. A button usually triggers an event on the GUI. Explain the different processes in registering an event and handling the action performed by the button, illustrating your answer with necessary piece of code.
(b)
Explain the following terms used in object-oriented programming using suitable Java examples of your own:-
(i) polymorphism (ii) abstract class (iii) interface.
How do you know that your class requires a virtual destructor? A: If at least your class has one virtual function, you must make a destructor for this class virtual. It will let
Given an integer n and a permutation of numbers 1, 2 ... , n-1, n write a program to print the permutation that lexicographically precedes the given input permutation. If the given
Explain about the Variables in c language? The Variable is an identifier that is used to represent some specified kind of information within a designated portion of the program
There are two ways for initializes in C++ as shown in the example that follows. The first way uses the traditional C notation. The second way uses constructor notation. int foo
What is the difference between an external iterator and an internal iterator? Ans) An internal iterator is executed with member functions of the class that has items to step th
Binomial coefficients are the numeric factors of the products in a power of a binomial such as (x + y)n. For example, (x + y)2 = x2 + 2 x y + y2 has the coefficients 1 2 1. Binomia
types of lists
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
Explain the different types of errors in PHP. Warnings, Notices and Fatal errors are the types of errors in PHP Notices: Notices signifies non-critical errors, i.e. ac
The goto statement This statement can be used to branch to another statement of the program. This is rarely used as it violates the principle of structured programming. Though
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