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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.
codes and output on how to make multiple choices quiz
How to Creating Arrays in java? Declaring arrays merely says what type of values the array will hold. It does not form them. Java arrays are objects, and such as any other obje
Object-to-Relational (O/R) mapping : There are various ways to persist data and the persistence layer is one of the most important layers in any application development. O/R ma
Explain multi dimentional arrays in java? So far all these arrays have been one-dimensional. That is, a single number could locate any value in the array. Therefore sometimes d
What are Commonsense Guidelines to prevent viruses? Discuss about Antivirus as well. Commonsense Guidelines to avoid viruses are as follows: 1. Do not open attachment of unwant
How can Java source code files named?
Luminous Jewels - The Polishing Game Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various lum
What is Initializing Fields ? Fields can (and often should) be initialized while they're declared, just like local variables. class Car { String licensePlate = ""; // e.g
What does TCP/IP stand for? TCP/IP is a Protocol type basically it is known by Transmission Control Protocol/Internet Protocol
Write a code in java to explain the while loop in Java? // This is the Hello program in Java class Hello { public static void main (String args[]) { System.out.print("
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