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You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.lang.Object needs an object instance's memory location. That can cause serious problems when two instances of the car objects have the similar color but the inherited equals() can give false because it uses the memory location, which is distinct for the two instances of object. Also the toString() method may be overridden to give a proper string representation of your object.
A Queue of Cards You are going to parallel the development done in the lesson on inheritance where we constructed some base classes, StackNode and Stack, and derived Floa
Write responsibilities of the followings 1. Developer a) Module level design. b) Coding c) Unit testing 2. Executive Team a) Responsible for the day to day operations. b) A
Illustrate an example of static variables System. out .println("some text"); -- out is a static variable JOptionPane. showMessageDialog (null, "some text"); -- showMessageDi
Describe Logical Operators in Java ? The relational operators you've learned so far ( , >=, !=, ==) are enough while you only required to check one condition. Therefore what if
What is Multiple Inheritance ? A few object oriented languages, notably C++, permits a class to inherit from more than one unrelated class. This is known as multiple inheritanc
In JSP page give the code as given below: enctype="multipart/form-data" name="fileForm" scope="session"> Please select file here that you would like to upload:
I do not understand how to do this? can someone help me?
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How to draw Polygons in java? In Java rectangles are defined through the position of their upper left hand corner, their height, and their width. Therefore it is implicitly sup
An application server cluster has of a number of application servers loosely coupled on a network. The server group or server cluster is usually distributed over a number of nodes
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