Ask Questions & Get Answers at ibibo sawaal

Ask your Question in Computers & Technology

Character(s) remaining:  160
 
Ask now
Home Ask Question Answer Questions My Q&A CategoriesAsk the experts Expert leader board

Home » Computers & Internet » Computers & Technology » Question

 

What is the difference between catch exception e catch error err and catch throwable ?  

Asked in Computers & Technology at 9:38 AM on October 30, 2008

Tags: difference, catch, exception, error, err, throwable

! This question is closed
Report abuse
Koena Mitra
Koena Mitra
Profile | Q&A

Java Almanac has a good summary.

See http://javaalmanac.com/egs/Jav a%20Language/CatchThrowable.ht ml?l=new

"All errors and exceptions extend from Throwable. By catching Throwable, it is possible to handle all unexpected conditions.

There are several scenarios where it is good practice to catch Throwable. For example, in a server application, the threads that handle requests should catch Throwable and relay any errors or exceptions to the client. Another scenario is a long-running thread that performs some background activity. Such threads should catch Throwable, log any errors or exceptions, and then continue functioning.

It is rarely good practice for a method in a library to catch Throwable. In general, errors and exceptions should not be masked from the caller."

Answered by Nishu%27s , an ibibo Master, at 5:45 PM on November 02, 2008

Report Abuse |  Rate this : 00
Nishu%27s
Nishu%27s

All errors and exceptions extend from Throwable. By catching Throwable, it is possible to handle all unexpected conditions.

There are several scenarios where it is good practice to catch Throwable. For example, in a server application, the threads that handle requests should catch Throwable and relay any errors or exceptions to the client. Another scenario is a long-running thread that performs some background activity. Such threads should catch Throwable, log any errors or exceptions, and then continue functioning.

It is rarely good practice for a method in a library to catch Throwable. In general, errors and exceptions should not be masked from the caller.

Answered by Hem@nt .... , an ibibo Master, at 10:27 AM on October 30, 2008

Report Abuse |  Rate this : 00
Hem@nt ....
Hem@nt ....

Java Almanac has a good summary.

See http://javaalmanac.com/egs/Java%20L anguage/CatchThrowable.html?l=new

"All errors and exceptions extend from Throwable. By catching Throwable, it is possible to handle all unexpected conditions.

There are several scenarios where it is good practice to catch Throwable. For example, in a server application, the threads that handle requests should catch Throwable and relay any errors or exceptions to the client. Another scenario is a long-running thread that performs some background activity. Such threads should catch Throwable, log any errors or exceptions, and then continue functioning.

It is rarely good practice for a method in a library to catch Throwable. In general, errors and exceptions should not be masked from the caller."

Answered by Uttam , an ibibo Master, at 9:45 AM on October 30, 2008

Report Abuse |  Rate this : 00
Uttam
Uttam

Related Search

 

How does exception handling work in Java?

catch a specific exception that you think could be thrown in the code you are testing with the try block. You can even have multiple catch blocks to catch and execute custom code for a number of different to the user and return the user to the beginning of the program so that they could continue to use it.There are many different exceptions that can be thrown by a program, and the Java API contains quite a few

Posted in Computers & Technology by rocky singh at 3:38 AM on June 26, 2008
Tags exception, handling, work, java

what is mean by exception handling?

Handling. Many modern programming language use Exception blocks to handle any exceptionerror eg. TRY .. Catch .. Finally Block.The first step in constructing an exception handler is to enclose the code that might throw an exception within a try block. You associate exception handlers with a try block by providing one or more catch blocks directly after the try block. No code can be between the end of the try

Posted in Computers & Technology by DINESH KUMAR at 4:05 PM on May 01, 2008
Tags mean, exception, handling

What is the difference between catch exception e catch error err and catch throwable t?

library to catch Throwable. In general, errors and exceptions should not be masked from the caller."...Well, the two terms differ in a big way.Exception Class catch exception Represents errorsJava Almanac has a good summary. See http://javaalmanac.com/egs/Jav a20Language/CatchThrowable.ht ml?l=new All errors and exceptions extend from Throwable. By catching Throwable, it is possible

Posted in Computers & Technology by shiv awasthi at 2:57 PM on October 14, 2008
Tags difference, catch, exception, catch, error, catch

Is there any -ve effect or disadvantage of using exception handling excessively, on our computer h/w or s/w parts? if yes than HOW??

potentially hide legitimate exceptions from their appropriate handlers.A simple throws Exception declaration or catch Exception e is always sufficient to satisfy the checking.While this technique is sometimes blocks that can potentially hide legitimate exceptions from their appropriate handlers.A simple throws Exception declaration or catch Exception e is always sufficient to satisfy the checking

Posted in Computers & Technology by Nikhil Singh at 11:00 AM on May 09, 2008
Tags

pls send any five RUN TIME exceptions in java with definition and for what purpose they are used?

conditions in a program systematically by taking the necessary action. Exception handlers can be written to catch a specific exception such as Number Format exception, or an entire group of exceptions by using of which are subclasses of the Throwable class. Java exceptions are raised with the throw keyword and handled within a catch block.A Program Showing How the JVM throws an Exception at runtimepublic class

Posted in Computers & Technology by SUNIL . at 2:15 PM on September 26, 2008
Tags send, five, time, exceptions, java, definition

What types of object can I throw as exceptions?

for that exception type appears earlier in the list of exception handlers.For example:try my result = self->dividevalue, 0; divide throws DivideByZeroExceptionreturn result;catch MathException with my ex = shift classes, or classes derived from System.Exception. This is in sharp contrast with C where instances of almost any type can be thrown....well, Most programs throw and catch objects that derive from

Posted in Computers & Technology by Radhe Radhe at 8:31 PM on May 30, 2008
Tags types, object, throw, exceptions

Does the System.Exception class have any cool features?

, an exception is handled by the application or by the default exception handler.Try-Catch BlocksThe common language runtime provides an exception handling model that is based on the representation of exceptions as objects, and the separation of program code and exception handling code into try blocks and catch blocks, respectively. There can be one or more catch blocks, each designed to handle a particular type

Posted in Computers & Technology by Nidhi Singh at 2:54 PM on August 13, 2008
Tags systemexception, class, any, cool, features

What is the difference between catch exception e catch error err and catch throwable ?

Java Almanac has a good summary.See http://javaalmanac.com/egs/Jav a20Language/CatchThrowable.ht ml?l=new"All errors and exceptions extend from Throwable. By catching Throwable, it is possible and relay any errors or exceptions to the client. Another scenario is a long-running thread that performs some background activity. Such threads should catch Throwable, log any errors or exceptions

Posted in Computers & Technology by Koena Mitra at 11:15 PM on November 02, 2008
Tags difference, catch, exception, error, err, throwable

What is the difference between catch exception e catch error err and catch throwable t?

Java Almanac has a good summary.See http://javaalmanac.com/egs/Java20L anguage/CatchThrowable.html?l=new "All errors and exceptions extend from Throwable. By catching Throwable, it is possible and relay any errors or exceptions to the client. Another scenario is a long-running thread that performs some background activity. Such threads should catch Throwable, log any errors or exceptions

Posted in Computers & Technology by keshav at 4:00 AM on November 12, 2008
Tags difference, catch, exception, error, err, throwable

What is the difference between catch exception e catch error err and catch throwable t?

are handled for you....Java Almanac has a good summary. See http://javaalmanac.com/egs/Java20L anguage/CatchThrowable.html?l=new "All errors and exceptions extend from Throwable. By catching Throwable Throwable and relay any errors or exceptions to the client. Another scenario is a long-running thread that performs some background activity. Such threads should catch Throwable, log any errors or exceptions

Posted in Computers & Technology by Sidd at 7:32 AM on January 13, 2008
Tags bca

Does the System.Exception class have any cool features?

CApp public static void Main try f; catch Exception e Console.WriteLine "System.Exception stack trace = n0", e.StackTrace ; static void f throw new Exception "f went pear from. For example, the following code: using System; class CApp public static void Main try f; catch Exception e Console.WriteLine "System.Exception stack trace = n0", e

Posted in Computers & Technology by Radhe Radhe at 8:32 PM on May 30, 2008
Tags class, cool, features

What is RMI?

RMI Remote Method Invocation is a way that a programmer, using the Java programming language and development environment, can write object-oriented programming in which objects on different computers that was consistent with the latest policy. The user and the company both would save time by catching mistakes early. Whenever the company policy changed, it would require a change to a program in only one computer

Posted in Computers & Technology by rocky singh at 2:06 PM on June 26, 2008
Tags rmi
More such questions ยป
Categories
View All
sawaal signature