Java 重载方法异常处理

public class Main {
   double method(int i) throws Exception{
      return i/0;
   }
   boolean method(boolean b) {
      return !b;
   }
   static double method(int x, double y) throws Exception  {
      return x + y ;
   }
   static double method(double x, double y) {
      return x + y - 3;
   }   
   public static void main(String[] args) {
      Main mn = new Main();
      try{
         System.out.println(method(10, 20.0));
         System.out.println(method(10.0, 20));
         System.out.println(method(10.0, 20.0));
         System.out.println(mn.method(10));
      }
      catch (Exception ex){
         System.out.println("exception occoure: "+ ex);
      }
   }
}

30.0
27.0
27.0
exception occoure: java.lang.ArithmeticException: / by zero