exception4.java

课本异常处理实例。各种异常处理

//抛出异常的方法
public class Exception4
{
	public static int Sum() throws NegativeArraySizeException
	{
		int s = 0;
		int x[] = new int[-4];
		for (int i=0; i<4; i++)
		{
			x[i]=i;
			s = s + x[i];
		}
		return s;
	}
	public static void main(String args[])
	{
		try
		{
			System.out.println(Sum());
		}
		catch (NegativeArraySizeException e)
		{
			System.out.println("异常信息："+e.toString());
		}
	}
}