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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.
Ask develop a project in visual basic for student mark-sheet processing. #Minimum 100 words accepted#
Difference between Hash Map and Hash Table? The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and allows nulls. (HashMap allows null values
Illustrate an example of static variables System. out .println("some text"); -- out is a static variable JOptionPane. showMessageDialog (null, "some text"); -- showMessageDi
Explain the char data type in java? A char is a single character in which a letter, a digit, a punctuation mark, a tab, a space or something same. A char literal is a single on
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
Normalization is a design technique that is mostly used as a guide in designing relational databases. Normalization is necessary a two step process that gives data into tabular f
Create problem that solves cryptoarithmatic problem that uses from user using java
Question : (a) Explain the concept of polymorphism when used in programs using suitable examples of your own. (b) (i) Distinguish between abstract methods and non-abstrac
Video course on computer security needed Project Description: We want a video course on computer security. Just like the way lynda provides. Skills required are Computer S
The purpose of this assignment is to help you learn the Java environment and practice I/O instructions, assignment, and simple arithmetic operators. Teams: The assignment can
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