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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."); }
}
Custom Website Technical Specification Document A Solution provider / System Architect to interpret and speak with me and build business functional needs and a set of research d
Implement a class Book (Book.java). A book will have three instance variables: a title (a String, for example: "Big Java" or "The Hitchhiker's Guide to the Galaxy"), an author
For this assignment we will be solving the producer-consumer problem with a bounded buffer. You are required to implement this assignment in Java. There are three components in thi
I want someone to help me prepare a simple inventory system. I am not a programmer trying to learn as i go. Skills required: Android, Java, iPhone, Mobile Phone, Objective
create thread without extending anything
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
How are this () and super() used with constructors? this() Constructors: is used to pointing current class instance. Can be used with methods or variables. Used to call
A portal is a service or a Web site that gives broad range of services and resources like e-mail, forums, search engines, weather information, news, on-line shopping, stock quotes.
how many keywords in java
what are applets
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