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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
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
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 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
In the Java Core Knowledge interview, you can always encounter questions about handling exception and error. Exception processing is a very important aspect of Java application development and the key to writing robust and stable Java programs,
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
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
Java Exception Handling summaryexception handling is a very important aspect of program design, but also a major difficulty in programming, from C, you may already know how to use if...else ... To control the anomalies, perhaps spontaneously,
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
Why should we talk about exception handling in the Java EE project? Perhaps many Java beginners want to say: "Exception handling is not try....catch...finally?" Who's going to do this? ”。 The author in the beginner Java also think so. How do I
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