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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.
Explain the user defined Exceptions. User Defined Exceptions are the exceptions which are defined by user for specific purposed. This enables custom exceptions to be generated
Define the difference between StringBuffer and String class ?
Create an application for an animal-fur trimming service. The business is open 15 weeks of the year, from April through July. The fee for a small animal (under 6 pounds) is $100, a
have some assignments and i want help with them. thanks
i nedd servlet basics
A for loop repeats until a specified condition evaluates to false. For for loop the JavaScript is similar to the Java and C for loops. A for statement looks as: for ([initial-
write a java program to board coloring
Develop a rfid based student attendance system include biometrics Project Description: The aim of our project is using rfid technology student attendance has to be taken. whe
calculate the size of the tract of land by the size of an acre to get the number of acres.
implementation of DT in netbeans
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