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How to Implementing Interfaces in java?
To actually utilize this interface you create a class that involves a public double calculateTariff() method and declare in which the class implements Import. For example here's one such class: public class Car extends MotorVehicle implements Import {
int numWheels = 4;
public double calculateTariff() { return this.price * 0.1; }
}One of the benefits of interfaces over classes is in which a single class may implement more than one interface. For instance, this Car class implements three interfaces: Import, Serializable, and Cloneable import java.io.*;
public class Car extends MotorVehicle implements Import, Serializable, Cloneable {
}Serializable and Cloneable are marker interfaces from the class library in which only add a type to a class, but do not declare any additional methods.
ready made solution
EJB 2.x is broadly adopted server side component architecture for J2EE. 1. EJB is a remote, distributed multi-tier system and allows protocols like IIOP, JRMP, and HTTP etc.
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
Explain continue statement with example? It is sometimes essential to exit from the middle of a loop. Sometimes you'll need to begin over at the top of the loop. Sometimes you'
program for board coloring
Develop an E-commerce website I prefer this website to be coded with JAVA since I have heard this is safer than PHP is. Though, if this is not possible I am willing to go with P
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On the surface, an application context is similar as a bean factory. But application context offers much more.. ? Application contexts give a means for resolving text messages,
Explain the both HashSet and TreeSet? HashSet is an unordered, unsorted Set. It's a Collection set which restrict duplicate elements and also repositioning of elements. I
Did Java support hybrid inheritance?
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