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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."); }
}
Two XML configuration files are uses by The Validator Framework validator-rules.xml and validation.xml. The validator-rules.xml shows the standard validation routines, these are re
Too many function invocations between the server and the client will lead to network overhead, tight coupling due to dependencies between the server and the client, misuse of serve
Describe the Four Levels of Access Protection ? Any two various Java objects have one of four relations to each other. The four relations are: • The objects are in the simila
You need to build an agent system using the JADE Toolkit that allows the lecturer of FIT5031 to broadcast their availability and arrange for consultation with students in a dynamic
Differentiation between a Vector and an array . Explain in Brief about the pros and cons of both?
Normal 0 false false false EN-IN X-NONE X-NONE
There are four different parts by which autowiring can be done. ? byName ? constructor ? autodetect ? byType
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