package com.java.NetTalk;

public class MyNetException extends Exception{
	public MyNetException(String errorInfo){
			super(errorInfo);
	}
}

class ProtNetException extends MyNetException{
	public ProtNetException(String errorInfo){
			super(errorInfo);
	}
}

class NotOpenNetException extends  MyNetException{
	public NotOpenNetException(String errorInfo){
		super(errorInfo);
	}	
}