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Question:
(a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheritance in their programs. Explain with suitable Java examples.
(b) What is an abstract class in Java? Describe the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Show the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer.
(d) Describe what is a ‘Listener' in Java using an appropriate example?
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.
1. Inception : In the mean while the inception phase, you work out the business part for the project. You also will be creating a rough cost estimate and return on investment.
1) Around : org.aopalliance.intercept.MethodInterceptor 2) Before : org.springframework.aop.BeforeAdvice 3) After : org.springframework.aop.AfterReturningAdvice 4) Throws
Explain what is Multilevel Inheritance ? The Car-Motorcycle-MotorVehicle instances showed single-level inheritance. There's nothing to stop you from going next. You can describ
Describe the concept of Encapsulation Encapsulation is a technique which is used for hiding properties and behaviors of an object and allowing outside access only as appropria
Mention any five applications of Artificial Intelligent System? 1)Medical Diagnosis 2)Robots 3) Games 4) Business intelligence 5)Image Recognition.
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
eAgro Portal Project: Technology Used: Java Server Faces, JSR 168 Specification, Websphere Portal Server5.0, DB2 database And Rational Application Developer, Jasper Report Too
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.
Question 1: a) What is the meaning of an object-oriented programming? b) List eight simple types of data in Java c) Explain how objects and classes are closely related.
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