Transferred from: http://www.importnew.com/14688.html1. Java Exception HierarchyException 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
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
OverviewIn general, enterprise-level applications are corresponding to complex business logic, in order to ensure the robustness of the system, it is necessary to face a variety of system business anomalies and run-time anomalies.Bad exception
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
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
In Java, exceptions are classified as checked exceptions, and run-time exceptions. Both are in the exception class hierarchy. This type of easy-to-choose quiz did you master the exception class and know which exception classes must be capturedThe
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
Java Exception Handling and java Exception Handling
Exceptions are some errors in the program, but not all errors are exceptions, and sometimes they can be avoided.
For example, if your code is missing a semicolon, the running result indicates that
Java Exception Handling Summary
Exception Handling is a very important aspect in programming and a major difficulty in programming. From C, you may already know how to use if... else... to control exceptions, it may be spontaneous. However, this
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
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