Core Java 4

p272~p273

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 {

Code

More code

} catch (Exception1 e) {

Handler1

} catch (Exception2 e) {

Handler2

} ....

Core Java 4