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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."); }
}
Suppose we have a big project. Draw hierarchy of the people involved in the project? Executive Team CEO, COO, CMSO Quality Architecture Team Business Development Team Technolog
what is methods override?
What is Externalizable interface? Externalizable is an interface which have two methods readExternal and writeExternal. These methods give you a control over the serialization
Define the difference between StringBuffer and String class ?
Struts framework J a v a Server Faces More matured since Struts has been started for a few years. It has got var
Problem 1 A savings account object holds a non-negative balance, and provides deposit(k ) and withdraw(k ) methods, where deposit(k ) adds k to the balance, and withdraw(k ) subtra
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
Why should we, as computing professionals, be interested within studying the social implications of our creations? This is important Because of remaining the track of money wis
#queThis assignment will give you practice with defining classes. You are to write a set of classes that define the behavior of certain animals. You will be given a program that r
We require expert programmers who will solve problems, who can code by the book, and who will code in java and JavaScript what is designed. Skills required: CSS, Java, HTML5,
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