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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.
write algorithm to perform the following operations on it create,insertion,deletion,for testing overflow and empty conditions.
Create a class HourlyWorker mind: particularHourlyWorker employee. • Declare two data members named wage and hours of double type with private access. • Implement a parameterized c
try { pa="weblog"; pas="weblog"; Connection c; Statement st;
What are wrapper classes? Java gives specialized classes corresponding to every of the primitive data types. These are known as wrapper classes. They are example: Integer, C
Talent agencies like ICM, CAA and Paradigm represent writers, directors and actors (among other talent). These agencies take in hundreds of millions of dollars a year collecting 1
With publish or subscribe message passing the sending application or client establishes a named topic in the JMS broker or server and publishes messages to this queue. The receivin
1. In Java (and OOP), Inheritance includes the concept of super class that is parent class and sub class that is derived class. Explain What is a super class in Java? What is a sub
What is hash Map
Android app for evaluating of distance Project Description: The request is to prepare an app for Android. The application needs to run on tablet (7 "or larger) and the layout
At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes
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