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

What are the list interface and its main implementation, What are the List ...

What are the List interface and its main implementation? List helps in collections of objects. Lists may include duplicate elements. Main implementations of List interface are

Use the constructor, Can we use the constructor, instead of init(), to init...

Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho

What do mean by synchronized and synchronized statements, What do mean by ...

What do mean by synchronized methods and synchronized statements ?

Explain subclasses and polymorphism, Explain Subclasses and Polymorphism ? ...

Explain Subclasses and Polymorphism ? Car and Motorcycle are subclasses of MotorVehicle. If you instantiate a Car or a Motorcycle along with new, you can use in which object a

Universal android and ios, Universal Android and iOS, Multipurpose Testing ...

Universal Android and iOS, Multipurpose Testing Application - Based on Phonegap Project Description: Universal Android and iOS, Multipurpose Testing Application Based on Phon

Develop a color picker, Project Description: We need same kind of concep...

Project Description: We need same kind of concept with some changes # Change single colors in a particular design. you need to be able to change the color of only the fox or

Ajax- html- xml- css and tomcat used in java, AJAX- HTML- XML- CSS and  To...

AJAX- HTML- XML- CSS and  Tomcat used in Java: Project Title: Zee Ads   Role                       : Developer Domain                  : Web Ads Environment

Explain exception classes, OOPS with Java 1. Explain any five buzz word...

OOPS with Java 1. Explain any five buzz words in Java. 2. Explain exception classes and also explain common exceptions in java. 3. Explain primitive and abstract data typ

What do you understand by private and public class, What do you understand ...

What do you understand by private, protected and public? These are accessibility modifiers. Private is the most restrictive, whereas public is the least restrictive. There is n

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