- package a01;
- import java.util.*;
- public class a01 {
- 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("分母不可為0喔!");
- System.out.println(x+"/"+y+"="+(x/y));
- }
- }
- class MyException extends Exception
- {
- MyException(String str)
- {
- super(str);
- }
- }
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