how to create custom exception

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

A Java exception architecture Java.lang.Object----java.lang.Throwable--------Java.lang.Exception------------java.lang.RuntimeException--------Java.lang.Error------------Java.lang.ThreadDeath The Throwable class is a superclass of all errors or

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 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

Read Catalogue First, Exception introduction Second, try-catch-finally statement Iii. Throw and Throws keywords Four, the exception chain in Java V. Concluding remarks Java exception and exception handling back to top

first, Exception IntroductionWhat is an exception?An exception is something that is different from the norm and is not the same as the normal Situation. In java, the case of blocking the current method or scope is called an Exception.What is the

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

PHP exception Handling Exception class, exception handling Exception An exception (Exception) is used to change the normal process of a script when a specified error occurs. What is an exception? PHP 5 provides a new approach to object-oriented

Java Exception Handling summaryexception handling is a very important aspect in program design, and it is also a great difficulty in programming, starting from C, you may already know how to use if...else ... To control the anomaly, perhaps

Java Exception Handling summaryexception handling is a very important aspect in program design, and it is also a great difficulty in programming, starting from C, you may already know how to use if...else ... To control the anomaly, perhaps