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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.
1. In Java (and OOP), Inheritance includes the concept of super class that is parent class and sub class that is derived class. Explain What is a super class in Java? What is a sub
The roster lets you keep track of the availability ("presence") of other users. A roster also allows you to organize users into groups such as "Friends" and "Co-workers". Other IM
How to Implementing the Cloneable Interface The java.lang.Object class contains a clone() method which returns a bitwise copy of the current object. protected native Object cl
write a program in java using array and scanner class to generate padovan series
How to Returning Multiple Values From Methods ? It is not probable to return more than one value from techniques. You cannot, for example, return the licensePlate, speed and m
State the Java Programmer Efficiency Faster Development Building an application in Java takes about 50% less time than in C or C++. So, faster time to market Java is said to
In a RMI Client Program, what are the excpetions which may have to handled Ans) a. MalFormedURLException b. NotBoundException c. RemoteException
write a program to find the minimum no of colors to fill a board where some of the elements of different color are already placed.
Objectives _ Creating and compiling a simple program _ Designing classes _ Use of recursive algorithms _ Learn basic combinatorics Task: string permutation Writ
What are the advantages of multimedia presentations? Write any five. Following are the benefits of multimedia presentations: • Great tool for efficiently communicating ideas
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