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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."); }
}
A one page website where a user can input the information including Company Name, Title, Activity, R/S, I also need the user to select the start date, end date, and check poi
What is linear search? It is the simplest form of search. It searches for the element sequentially starting from first element. This search has a drawback if element is located
Struts is depend on model 2 MVC (Model-View-Controller) architecture. Struts controller uses the command design pattern and the action classes use the adapter design pattern. The p
Project Description: We are looking to prepare an app which allows the user (a student or an expat in a new country) to select from a list of furniture items to prepare a packag
Explain what occur when an object is created in Java?
using polymorphism to write a program to display digital clock
write a program to find the area under the curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b. #include float start_point,
1-4 Problem Set: Arithmetic Consider the following statement when responding to questions 1 and 2: Jim develops 5 Java applications a year. Joe develops 10 Java applications a year
Task 1- Design the complete user interface of the simulation. Task 2 -Design the record structures of the text files that are required to drive the working simulation. Populate
EJB elements operate inside a container environment and rely heavily on the container to give security. The four key services needed for the security are: 1. Identification :
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