catch exception e java

1 GuideTry... Catch... Finally is probably a familiar statement, and it seems easy to understand logically. However, the lessons I personally learned tell me that this is not as simple and obedient as I imagined. Believe it? Let's take a look at the

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

"0" README0.1) This article describes + source code is transferred from core Java Volume 1, to understand Java exception-catch exception + throw exception and exception chain of knowledge;"1" catches exception related1.1) If an exception occurs

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

The unusual English word is exception, the literal translation is "The accident, the exception" The meaning, is also abnormal condition. In fact, exceptions are essentially procedural errors, including program logic errors and system errors. A

ArticleDirectory The try-finally syntax in the seh exception model is referenced and introduced. All exceptions must be inherited from throwable. Stricter and more rigorous exception handling management! Pay special attention to

Document directory The try-finally syntax in the seh exception model is referenced and introduced. All exceptions must be inherited from throwable. Stricter and more rigorous exception handling management! Pay special attention to

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

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

Exception handling is a very important aspect of program design, but also a great difficulty in programming, starting from C, you may already know how to use if...else ... To control the exception, may be spontaneous, however, this control is