Explain try and catch exception in java, JAVA Programming

Assignment Help:

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-catch
try-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.");
}

}


Related Discussions:- Explain try and catch exception in java

Prepare a game in corona, Prepare a Game in Corona (for Android and IOS) ...

Prepare a Game in Corona (for Android and IOS) Project Description: We are looking to prepare a game for mobile platform similar to Zombie Smasher for iOS and Android. Eve

Write a programme to create a webpage that prints the name o, Write a progr...

Write a programme to create a webpage that prints the name of the STUDENT database in Wide Latin font and set the subtitle with description of the STUDENT to the screen. Set the pa

AdressBook, Write a program that uses one of the Map classes to implement a...

Write a program that uses one of the Map classes to implement a contact list. Contact information should include first name, last name, a phone number and an email address. The lis

Data structures and algorithm, Create a class to implement the ArrayList co...

Create a class to implement the ArrayList collection. The name should be YourFirstNameArrayList; for example if I were creating the class then I would call it WaynesArrayList. Do

Point of Sale Terminal, The problem statement is pretty simple. We need a s...

The problem statement is pretty simple. We need a software implementation of a Point of Sale terminal at a typical store. The users of the system are the cashiers sitting at the sa

Create a generic class with a type parameter, 1. The purpose of this proble...

1. The purpose of this problem is to practice using generics.  Create a generic class with a type parameter that simulates drawing an item at random out of a box. For exampl

How many modules are there in spring, Spring comprises of seven modules. Th...

Spring comprises of seven modules. They are.. a) The core container b) Spring context c) Spring AOP d) Spring DAO e) Spring ORM f)  Spring Web module g)  Sprin

What is runnable jar archives, What is Runnable JAR archives You can ru...

What is Runnable JAR archives You can run a program stored within the JAR archive that has a main() method like this: $ java -cp eharold.jar MainClassName You must use the f

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd