Core Java 4

Source: Internet
Author: User
Tags try catch


1. Exception handling except for catching exceptions: continue to pass the exception to the method caller.

That is: Add the throws description symbol to the method header, replacing the try Catch statement.

for the caller of the method : either handle the exception or continue to pass. (This is checked by the compiler)

2, it is better to continue to pass the exception than to handle the exception forcibly .

3 . The exception class range listed in the superclass method is not allowed to appear in the throws specifier of the subclass. (subset)

4, the way to throw multiple exceptions: comma.

5. How to capture multiple exceptions:

try {


More code

} catch (Exception1 e) {


} catch (Exception2 e) {


} ....

Core Java 4

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