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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."); }
}
how i made a calculator in java plz tell help me
What are the steps of working of TCP and IP protocols within internet transmission? TCP divide messages in several packets (capsulation) and sent these messages over the internet
What is JavaServer Faces navigation model? Ans) A mechanism for describing the sequence in which pages in a JavaServer Faces application are shown.
ANDROID APK for 3G dongles support Project Description: We want someone who will modify this Android app or code a similar one. The App function is to let Android tablet P
The non-final functions are clone (), finalize (), toString (), equals () , hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final
Project Description: We need to develop software that has a database of players with the ability to delete and add players at will, once captured there can be a draw to set them
The LookupDispatchAction is a subclass of DispatchAction. It does a reverse lookup on the resource package to get the key and then gets the method whose name is associated with the
Problem : Compiler Design - Limit the loops Rajni is a newbie to the programming and while learning the programming language he came to know the following rules: ???• Each program
Spring framework The Spring framework is the leading full-stack J2EE /JAVA application framework. Not like other applications, Spring does not expose itself on the design of a
Normal 0 false false false EN-US X-NONE X-NONE
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