도도의 초록누리

try{

int average = obj.getAverage();

}catch(java.lang.ArithmeticException e){

     // 출력(산술 오류에 관한 메시지)

}

class Account{
        String accountNo;
        String ownerName;
        int balance;
 
        Account(String accountNo, String ownerName, int balance){
             this.accountNo = accountNo;
             this.ownerName = ownerName;
             this.balance = balance;
        }
 
       void deposit(int amount){
             balance += amount;
        }
 
        int withdraw(int amount) throws Exception{
  
            if(balance < amount)
                  throw new Exception("잔액이 부족합니다.");
            else
                  balance -= amount;
  
            return amount;
       }
}

 

 

class Hello{
 
        public static void main(String args[]){
   
            Account obj = new Account("1", "곰", 40);
            obj.deposit(-40);
  
            try {
                 int amount = obj.withdraw(1);
                 System.out.println("인출액:" + amount);
            } catch (Exception e) {
                 System.out.println(e.getMessage());
            }
       }
}

class Hello{
 
      public static void main(String args[]) throws Exception{
  
            Account obj = new Account("1", "곰", 40);
            obj.deposit(-40);
 
            int amount = obj.withdraw(1);
            System.out.println("인출액:" + amount);
     }
}