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What is an Exceptions ?
• What is an exception? • try-catch • finally • The different kinds of exceptions • Multiple catch clauses • The throws clause • Throwing exceptions • Writing your own exception classes
What is an Exception?Consider this program: public class HelloThere {
public static void main(String[] args) { System.out.println("Hello " + args[0]); }
}Suppose it's run like this: $ java HelloThereRemember that's there's no args[0]. Here's what you get:$ java HelloTherejava.lang.ArrayIndexOutOfBoundsException: 0 at HelloThere.main(HelloThere.java:5)This is not a crash. The virtual machine exits generally. All memory is cleaned up. All resources are released.
What is JavaServer Faces navigation model? Ans) A mechanism for describing the sequence in which pages in a JavaServer Faces application are shown.
A framework for building server-side user interfaces for Web applications is written in the Java programming language.
Struts components can be classify into Model, View and Controller: ? Model: Components like business logic /business processes and data are the type of model. ? View: HTML, J
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.
HOW TO CODE THE SYSTEM
Question: (a) (i) Describe the purpose of comments when writing programs in Java. (ii) Name the types of comments available and illustrate with simple examples. (b) (i)
What is difference between Design and System Architecture? System Architecture : It is structure of a product or procedure. Design: It is begin of the procedure of devel
Need Remote Synchronization tool for folders and files? Project Description: We want a tool to synchronize the content of one or more folders on the file syst
What is Runnable JAR archives You can run a program stored within the JAR archive that has a main() method like this: $ java -cp eharold.jar MainClassName You must use the f
Prepare a Java program to read .GPX files Project Description: Prepare a Java program (GPX_Tracks_to_Text.Java) for Windows to: - Read every .GPX file in a provide drive a
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