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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 TO CODE THE SYSTEM
Hi, I have an android sdk assignment which is due monday night. The user will enter the following information. url address www.google.com user name [email protected] password 12
YES. JSP technology is extensible by the development of custom actions, or tags, which are encapsulated in tag libraries. #question..
Can I please get your help in my assignment and a quote if possible
The roster lets you keep track of the availability ("presence") of other users. A roster also allows you to organize users into groups such as "Friends" and "Co-workers". Other IM
Project Description: I want to build a camera application for android. By default android will add metadata for the image, for e.g. Date, time, resolution, gps tag etc..In this
Determine about the runtime Security Manager Java also has a runtime Security Manager can check which operations a specific piece of code is allowed to do. Consequently, java c
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What are the conditions for exiting the while loop?
1. De normalizes your tables where required. 2. Proper use of index columns: An index based on numeric parts is more efficient than an index based on character columns. 3. Re
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