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 Related Questions Objects that subclass the Observable class maintain a list of observers. When anObservable object is updated it invokes the update() method of each of its observers tonotify the observers that it has changed Latest Answer : Observer observe only those class which are Observable. ... With respect to multithreading, synchronization is the capability to control the access ofmultiple threads to shared resources. Without synchronization, it is possible for onethread to modify a shared Latest Answer : Synchronization is the mechanism that ensures that only one thread is accessed the resources at a time. In a practical point of view assume that two threads are trying to update bank balance at the same time!!! How we can solve this issue the answer is sychronization. ... Yes, a lock can be acquired on a class. This lock is acquired on the class's Class object.. Latest Answer : Aditya Pls write code and explain ... The Vector class provides the capability to implement a growable array of objects Latest Answer : A vector implements dynamic array, which can grow and shrink dynamically.It is similar to Arraylist with a difference that vector can be synchronized. it also contain some legacy methods. ... A (non-local) inner class may be declared as public, protected, private, static, final, orabstract. Latest Answer : A non-static member class means inner class is a member of an enclosing class, it can have any accessiblity:public,default,protected, or private. ... setBounds() Latest Answer : component.setBounds(-,-,-,-); ... The EventObject class and the EventListener interface support event processing. Latest Answer : Java.util.Event class ... Panel Latest Answer : The Immediate super class of Applet is PANEL ... Window Latest Answer : System.Windows.Forms.CommonDialog ... The CheckboxMenuItem class extends the MenuItem class to support a menu item thatmay be checked or unchecked.
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