What are checked and unchecked exception, JAVA Programming

Assignment Help:

What are Checked and UnChecked Exception?

A checked exception is some subclass of Exception (or Exception itself), excluding class RuntimeException and its subclasses. Making an exception checked forces client programmers to deal with the possibility that the exception will be thrown.

Example: IOException thrown by java.io.FileInputStream's read() method·

Unchecked exceptions are RuntimeException and any of its subclasses. Class Error and its subclasses also are unchecked. With an unchecked exception, though, the compiler doesn't force client programmers either to catch the exception or declare it in a throws clause. In fact, client programmers might not even know that the exception could be thrown.

Example: StringIndexOutOfBoundsException thrown by String's charAt() method· Checked exceptions must be caught at compile time. Runtime exceptions do not require to be. Errors often cannot be.

 


Related Discussions:- What are checked and unchecked exception

Explain about the security aspect of java, Java has some bugs in its applet...

Java has some bugs in its applets. Java team stated that they have zero tolerance over security features and subsequent editions of Java are managing Bug free environment. Some of

Fibonacci, Output first x values in the fibonacci sequence, where x is an a...

Output first x values in the fibonacci sequence, where x is an argument to the program. 0, 1, 1, 2, 3, 5, 8, ... Write the fibonacci creation function separate from the main func

What are the different parts of autoproxying, a)  BeanNameAutoProxyCreator ...

a)  BeanNameAutoProxyCreator b) DefaultAdvisorAutoProxyCreator c)  Metadata autoproxying

Why class can''t extend more than one class, Why is an Interface be able to...

Why is an Interface be able to extend more than one Interface but a Class can't extend more than one Class? Basically Java doesn't permit multiple inheritances, so a Class is r

Explain the different kinds of exceptions, Explain The different kinds of e...

Explain The different kinds of exceptions ? Checked Exceptions  : Environmental error in which cannot necessarily be detected through testing; e.g. broken socket, disk full,

Want a graph database for relationship mapping of entities, Want a graph da...

Want a graph database for relationship mapping of entities Project Description: I want a graph database for relationship mapping of entities, liable peoples. Also, the databa

Custom website technical specification document, Custom Website Technical S...

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

How to initialize array in java, How to initialize array in java ? Indi...

How to initialize array in java ? Individual elements of an array are referenced through the array name and through an integer that represents their position in the array. The

Test phases and cycles? , 1. Unit tests :There are two popular processe...

1. Unit tests :There are two popular processes to testing server-side classes: mock objects, which test classes by checking the server container, and in-container testing, which

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