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

Inheritance, Inheritance - is the inclusion of state and behavior of a ba...

Inheritance - is the inclusion of state and behavior of a base class in a derived class so that they are accessible in that derived class. The key benefit of Inheritance is that

Illustrate the method to print on the GUI, Illustrate the method to print o...

Illustrate the method to print on the GUI Example Code: Taking Input / Output So far, we learned how to print something on console. Now time has come to learn how to print

Define array, Define Array ? Indexed collections of variable of similar...

Define Array ? Indexed collections of variable of similar data types or we can say a Set of organized variables of similar type.

Describe the edit phase- java program development, Describe the Edit phase-...

Describe the Edit phase- Java Program Development Phase comprises editing a file. This is done with an editor program. Programmer types a java program using editor such as no

#titleArray to store 10messages of type String.., AskWrite an application t...

AskWrite an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a message could be “I love

How to returning multiple values from methods, How to Returning Multiple Va...

How to Returning Multiple Values From Methods ? It is not probable to return more than one value from techniques. You cannot, for example, return the licensePlate, speed and m

Explain the purpose of the recovery console, Question: a) Give a detai...

Question: a) Give a detailed description of your understanding concerning "Managing User Sessions and Open files". b) What is "Overriding Inheritance" and how can it be do

Application rewrite, Application Rewrite Project Description: There i...

Application Rewrite Project Description: There is an app that I want to be rewritten in order to support multiple profiles. The App is an OTP generator. It is required to

Generating Dynamic form, I am having an combox box and values are retrieved...

I am having an combox box and values are retrieved from the database having inputs and labels i want to created the dynamic form accroding to user input on combox box values

Nonrecursive implementations of the min() and floor() method, Write nonrecu...

Write nonrecursive implementations of the min() and floor() methods in BST.java. Make sure to use only one return in your method. Use an insertion sort (discussed in class) to s

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