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The == gives true, if the variable reference points to the similar types of object in memory. That is a "shallow comparison".
The equals () - gives the results of running the equals() method of a user supplied class, which differentiate the attribute values. The equals() method gives "deep comparison" by comparing if two objects are logically same as opposed to the shallow comparison given by the operator ==.
If equals () function does not exist in a user supplied class then the inherited Object class's equals () method is run which evaluates if the references point to the similar object in memory. The object.equals() performs just same as the "==" operator.
Overriding the Object class may seem easy but there are many ways to get it worse, and consequence may be unpredictable behavior.
How instant messaging works? Write the steps involved in this process? The Instant Messaging services available permit us to manage a list of people (contacts) that we interact
Describe the decomposition principle?
Open A java applet should appear on your screen. Click on File, OpenImage and select Asterix. Check Homography box. By clicking on the images you can select points. The c
I''ve been trying to get this java program to work but im lost and Im stuck ! The factorial of a positive integer N, denoted by N! N!=1*2*...*N Using subprograms and f unctions,c
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla
When is AlreadyBoundException thrown and by which method? Ans) AlreadyBoundException is thrown by bind(String name) method when a remote object is already registered with the re
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
Name Conflicts when importing packages It is possible which you will try to import a package which contains classes in which have the similar name as a class in your own source
Your task is to design a scheduler for the Sheridan Rail Corporation which keeps track of all daily scheduled trips for the railway. Users can add new trips as well as perform sea
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