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The non-final functions are clone (), finalize (), toString (), equals (), hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final functions and therefore cannot be overridden.
The hashCode() and equals() methods have to be very important, when objects implementing these two functions are added to collections. If not implemented or implemented incorrectly at all then your objects added in a collection like a Set, Map or List can behave strangely and also is hard to debug.
Suppose we have a big project. Draw hierarchy of the people involved in the project? Executive Team CEO, COO, CMSO Quality Architecture Team Business Development Team Technolog
In a RMI Client Program, what are the excpetions which may have to handled Ans) a. MalFormedURLException b. NotBoundException c. RemoteException
We need a Java Developer a) Having 4.6 years of I.T experience Java, J2EE, spring, Hibernate, JSF, Swings. b) Analyze, identifying and understanding the client requirements a
which algorithm are best?
What 'System.out.println()' signifies? 'System' is a predefined class. System class gives access to the system. 'out' is the output stream. 'println' is printin
What is Event Handler works? An event handler is a command which is used to call a function when an event happens, such as the user clicking a button or mouse.
Explain Code and Document Bases ? If you don't know the exact URL of the image, but you do know its name and in which it's in the similar directory as the applet, you can use
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What are Access Specifiers available in Java? Java has four access specifiers, which are enlisted below: Public: public methods, classes and fields can be accessed by ever
What can you do with an exception once you've caught it? 1. Fix the difficulty and try again. 2. Do anything else instead. 3. Exit the application along with System.exit() 4
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