38 lines
772 B
Java
38 lines
772 B
Java
|
//: exceptions/LostMessage.java
|
||
|
|
// How an exception can be lost.
|
||
|
|
|
||
|
|
class VeryImportantException extends Exception {
|
||
|
|
public String toString() {
|
||
|
|
return "A very important exception!";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class HoHumException extends Exception {
|
||
|
|
public String toString() {
|
||
|
|
return "A trivial exception";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class LostMessage {
|
||
|
|
void f() throws VeryImportantException {
|
||
|
|
throw new VeryImportantException();
|
||
|
|
}
|
||
|
|
void dispose() throws HoHumException {
|
||
|
|
throw new HoHumException();
|
||
|
|
}
|
||
|
|
public static void main(String[] args) {
|
||
|
|
try {
|
||
|
|
LostMessage lm = new LostMessage();
|
||
|
|
try {
|
||
|
|
lm.f();
|
||
|
|
} finally {
|
||
|
|
lm.dispose();
|
||
|
|
}
|
||
|
|
} catch(Exception e) {
|
||
|
|
System.out.println(e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} /* Output:
|
||
|
|
A trivial exception
|
||
|
|
*///:~
|