(转载)Java父类异常与子类异常之间的捕获关系

class Annoyance extends Exception {}

class Sneeze extends Annoyance {}

class Human {

    public static void main(String[] args) throws Exception {
        try {
            try {
                throw new Sneeze();
            } catch (Annoyance a) {
                System.out.println("Caught Annoyance");
                throw a;
            }
        } catch (Sneeze s) {
            System.out.println("Caught Sneeze");
            return;
        } finally {
            System.out.println("Hello World!");
        }
    }
}

try {
    throw new FileNotFoundException();
} catch (IOException e) {

}

try {
    throw new Annoyance();
} catch (Sneeze s) {
    System.out.println("Caught Sneeze");
    return;
} finally {
    System.out.println("Hello World!");
}

try {
    throw new Annoyance();
} catch (Sneeze s) {
    System.out.println("Caught Sneeze");
    return;
} catch (Exception e) {
    System.out.println("Caught Exception");
    return;
} finally {
    System.out.println("Hello World!");
}