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Explain try and catch exception in java?
Why use exceptions instead of return values? 1. Forces error checking 2. Cleans up your code through separating the normal case from the exceptional case. (The code isn't littered along with a lot of if-else blocks checking return values.) 3. Low overhead for non-exceptional case
Traditional programming languages set flags or return bad values such as -1 to denotes problems. Programmers frequent don't check these values.
Java throws Exception objects to denotes a problem. These cannot be ignored.try-catchtry-catch public class HelloThere {
public static void main(String[] args) { try { System.out.println("Hello " + args[0]); } catch (ArrayIndexOutOfBoundsException e) { System.out.println("Hello Whoever you are."); }
}
J2EE (Java 2 Enterprise Edition) is an environment for deploying and developing enterprise applications on various operating system. The J2EE platform consists of J2EE components,
In addition to your Java code requirements, you also need to enhance the ZHTML for your application. As before, you can continue working with the page(s) you used for the previous
explain jumps in loops and explain labelled loops
When is AlreadyBoundException thrown and by which method? Ans) AlreadyBoundException is thrown by bind(String name) method when a remote object is already registered with the re
list The Java Class Library? Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. Th
1. Arrays and working with arrays
RMI is a set of APIs that permits to build distributed applications. RMI uses interfaces to explain remote objects to turn local method invocations into remote method invocations.
What are the Sub categories of Artificial Intelligence? Briefly explain any two? 1. Expert systems: Expert system is in which system that is in some limited sense, could repl
Your class must contain the followings (20 points):Code a simple class in JAVA classed “Student. · Variables (name, age, addressStreet, city, state, zip, country) ·
Medical Services Referral System: Role : Websphere Administrator Involved in Exposure to load balancing tools (BigIP, WAS plug-ins) and Siteminder.
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