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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.
GUI-Based Application Objectives: (1) Learning how to write a GUI-based application in Java. (2) Learning how to write an event driven application program in Java.
i nedd servlet basics
what are constructor?
You are a newly recruited programmer, working for an IT company. This company won a contract to develop a Customer Relationship Management System (CRM) for a major retailer. The CR
There are three layers:- a . Stub and Skeleton layer This layer lies just under the view of the developer. This layer intercepts method calls made by the client to the inte
What is difference between object state and behavior? Ans) If you change the state of an object, you ask it to perform a behavior. An object kept its states in a field e.g. vari
State about the JVM? JVM is the acronym which stands for 'Java virtual machine'. JVM provides execution environment. JVM isn't platform independent. JVM is Java
What is constructor chaining and how is it achieved in Java? A child object constructor always first requires to construct its parent (which in turn calls its parent constructo
What is the role of hub in networks? The network traffic controller - elements of convential computer networks. Hub is used to link the different computers within the network i
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