1: //UnknownOpException.java
2:
3: public class UnknownOpException
4: extends Exception
5: {
6: public UnknownOpException()
7: {
8: super("UnknownOpException");
9: }
10:
11: public UnknownOpException
12: (
13: char op
14: )
15: {
16: super(op + " is an unknown operator.");
17: }
18:
19: public UnknownOpException
20: (
21: String message
22: )
23: {
24: super(message);
25: }
26: }