1. Preface Try...catch...finally I'm afraid it's a familiar statement, and it's very simple to use, logically it seems to be easy to understand. However, I personally experience the "lesson" tells me that this thing is not as simple as the
1. Background Introduction
Why do you want to do exception handling?
For a computer program, no one can guarantee that it will run without error, the main source of error is the following:
Code Error
User illegal input
Device errors
Visual C + + exception (Exception) FAQCopyright: Doug Harrison 2001–2007Translation: Magictong (Tong Lei) March 2011Original address: http://members.cox.NET/doug_web/eh.htmThis article discusses some of the implementations in Visual C + + about try{}
The abnormally large classification is divided into detection anomaly (checked exception) and non-detectable anomaly (unchecked exception). The detection exception is the exception that can be found in the compiler.
Non-detectable anomaly also
exception refers to the various conditions, such as: file cannot be found, network connection failure, illegal parameters and so on.An exception is an event that interferes with the normal instruction flow during the program's run.Java describes
0. Why the exception handling mechanism should be introduced.
Before the exception mechanism is introduced, the exception is handled using If...else,sysout and Syserror methods. Exception handling is a very important aspect of program design, but
Basic concepts of exceptionsException: An exception is a flow of instruction that causes the program to run, and if the exception is not properly handled, it may lead to the execution of the program, resulting in unnecessary loss, so in the design
1. Exception mechanismThe exception mechanism is what the program does when an error occurs. Specifically, the exception mechanism provides a secure channel for program exits. When an error occurs, the process of executing the program changes, and
Go to Java Common exceptions (Runtime Exception) Summary http://www.apkbus.com/android-58405-1-1.htmlThis article focuses on some of the concepts of exception mechanisms in Java. The purpose of writing this article is to make it easy for me to
Java Exception Handling and design, Java Exception Handling Design
Notes for learning Java !!!If you have any questions or want to obtain learning resources during the learning process, join the Java learning exchange group with the group number 6185
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.