Java缺陷"异常丢失"[Java编程思想]

 

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 execption

 

 

public class ExceptionSilener {
	public static void main(String[] args) {
		try {
			throw new RuntimeException();
		} finally {
			return;
		}
	}
}