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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
Use of Java try and catchAlthough the default exception handler provided by the Java Runtime system is useful for debugging, you usually want to handle the exception yourself. There are two advantages to doing so. First, it allows you to fix errors.
Try-catch in-depth understandingLet's look at an example (example 1) to explain the process of try, catch, finally in Java
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publicclassTryCatchFinally
windhaunting, original addressUsed to be try{} catch (...) {} to catch some unexpected exceptions in C + +, today read Winhack's post only to know, this method in VC is actually unreliable. For example, the following code: Try { BYTE* pch;
First, prefaceThere was a question in the interview some days ago: Public class Test { Public Static void Main (string[] args) { try { return; } finally { System.out.println ("finally ...");}}
Before reading the following content, I would like to ask you a question:
Will finally statements be executed?
Use the Integer. valueOf method to simulate an exception to illustrate the problem between try catch and finally.
Example 1: no
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
Used to be try{} catch (...) {} to catch some unexpected exceptions in C + +, today read Winhack's post only to know, this method in VC is actually unreliable. For example, the following code:Used to be try{} catch (...) {} to catch some unexpected
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