本帖最後由 曾挺桂 於 2016-6-17 20:59 編輯
import java.util.Scanner;
public class Ch52
{
static Scanner s=new Scanner(System.in);
public static void main(String[] args)throws MyException
{
Float x,y;
System.out.print("輸入分子: ");
x=s.nextFloat();
System.out.print("輸入分母: ");
y=s.nextFloat();
if(y==0)
throw new MyException("0!!!!!!!!!!!!");
System.out.println(x+"/"+y+"="+(x/y));
}
}
class MyException extends Exception
{
MyException(String str)
{
super(str);
}
}
class MyException extends Exception
{
MyException(String str)
{
supert(str)
}
}[/code] |