class Demo
{
int div(int a,int b)throws Exception//在功能上通过throws的关键字声明了该功能有可能会出现问题。
{
return a/b;
}
}
class ExceptionDemo1
{
public static void main(String[] args) //throws Exception
{
Demo d = new Demo();
try
{
int x = d.div(4,0);
System.out.println("x="+x);
}
catch (Exception e)
{
System.out.println(e.toString());
}
System.out.println("over");
}
}