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What is the function of adapter in java model?
An Adapter is simply a concrete class which implements all the methods of a Listener interface as empty functions. They are convenience classes made because of the tendency to implement Listeners as anonymous classes. For example, let's say we want to add a Listener to a JFrame to detect a mouse click: // implementing a Listener JFrame frame = new JFrame(); frame.addMouseListener(new MouseListener() { void mouseClicked(MouseEvent e) { // do something here } void mouseEntered(MouseEvent e) { } void mouseExited(MouseEvent e) { } void mousePressed(MouseEvent e) { } void mouseReleased(MouseEvent e) { } }); Note how this has a lot of extra code that does nothing. // implementing an Adapter JFrame frame = new JFrame(); frame.addMouseListener(new MouseAdapter() { void mouseClicked(MouseEvent e) { // do something here } }); Note now how we only need to implement one method. This is much cleaner and easier to read.
What is difference between Adapter class and listeners in java?
An Adapter class is just a "blank" implementation of a Listener interface. They're convenience classes made so you don't need to implement all of the methods of an interface. A good example is the MouseListener interface. Let's say you want to detect when a user clicks on your Component. You only need to implement the mouseClicked method to get that part working. This will leave you with... public void mousePressed(MouseEvent e) { } public void mouseReleased(MouseEvent e) { } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } ...at the end of your implementation. Ugly. So Java gives us the MouseAdapter class (which gives us the same empty implementations as above). We can use this in place of a MouseListener to try to keep our code cleaner.
Write a function that creates a vector of user-given size M using new operator?
template<typename T> std::vector<T>* create_new_vector (const size_t M) { std::vector<T>* p = nullptr; try { if (p = new std::vector<T>) { p->resize (M); p->shrink_to_fit (); } } catch (std::exception& e) { throw e; } return p; }
What is the function of catch Exception E?
In Java, if there is a run-time error then it allows the user to explicitly handle it by catching it in the catch block. If there is any error in the try block of code, automatically the flow control will be transferred to the catch block. Here Exception e indicates any exception. The same is true in both Visual Basic and C#. This is seen in the try {} catch (Exception e) {} blocks. Which then function as the previous poster said. == == == ==
What are the four common mode of operation?
There are 4 operation basiclly done in micro processor 1.memory read 2.memory write 3.i/o read 4.i/o write
How do you implement equal opportunities in the workplace?
e
What is the function for exponential growth?
Using "^" for powers, you can write as:y = ab^x or alternatively as: y = a exp(kx) where a, b, k are different constants, and exp() is the exponential function (e^x).
How do you make a minigame on roblox?
you just go to tools then write minigame script click a lua one then go to explorer then double click it it shows a page then you writee what the minigame name is then you then you write the function after put in maps by adding the sa,e function to them and then you go to tools and write map changer write map 1 2 3 4 5 6 7 8 9 and you have a miniggame
What are the two sources of e?
The two sources of e are through the natural log function, ln(x), and as the base of the exponential function, e^x.
What is the function of cabbage?
vitamin e
Who sings function?
E-40
What is the mathematical expression for the microcanonical partition function in statistical mechanics?
The mathematical expression for the microcanonical partition function in statistical mechanics is given by: (E) (E - Ei) Here, (E) represents the microcanonical partition function, E is the total energy of the system, Ei represents the energy levels of the system, and is the Dirac delta function.
What is a function of the body starting with e?
The endocrine system begins with an "e."
How do you write cursive capital e?
write 3 backwards
How do you write died in french?
Décédé(e) Défunt(e) Mort(e)
How can some websites write e-book after e-book?
They don't write them. They get them written by others at reasonable rates.
Write a email to your e-pal in culture marriage in Morocco?
write a e-mail to describe a culture mariage in morocco?
