java 异常五

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class FuShuException extends Exception
{
	FuShuException(String msg)
	{
		super(msg);
	}
}


class SubFuShuException extends FuShuException
{
	SubFuShuException(String msg)
	{
		super(msg);
	}
}

class OtherException extends Exception
{
	OtherException(String msg)
	{
		super(msg);
	}
}

class FuDemo
{
	public int div(int a) throws SubFuShuException
	{
		if(a<0)
			throw new SubFuShuException("出现了负数的情况。");
		return a;
	}
}

class Demo extends FuDemo
{
	public int div(int a,int b) throws SubFuShuException
	{
		if(b<=0)
			throw new SubFuShuException("出现了非正数");
		return a/b;
	}
}

class ExceptionDemo5
{
	public static void main(String args[]) throws FuShuException
	{
		Demo d=new Demo();
		try
		{
			int x=d.div(4,-1);
			System.out.println(x);
		}
		catch (FuShuException e)
		{
			System.out.println(e.toString());
		}
		finally
		{
			System.out.println("over");
		}

	}
}

java 异常五

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原文地址：http://blog.csdn.net/iemdm1110/article/details/51356856