java异常java.util.InputMisMatchException

Question

  public static void main(String[] args) {
 // declare the necessary variables
 double x;
 int p; 
 double balance;

 String name; 
 List<Person> list = new ArrayList<Person>();

 // declare a Scanner object to read input
 Scanner sc = new Scanner(System.in); 
 // read input and process them accordingly
 x = sc.nextDouble();
 p = sc.nextInt(); 

 // while (sc.hasNext() == true)
 String action;
 // {
 do {
 action = sc.next();

 //ArrayList list = new ArrayList(); 

 if (action.equals("Create"))
 {
 do something
 }

 if (action.equals("Withdraw"))
 {

 {
 do something

 }
 }

 }


 if (action.equals("Deposit"))
 {



 // output the result
         }


 if (action.equals("0"))
 {

 System.out.println(list.size());
 for(Person d : list){
 double bal = d.getBalance(); 

 System.out.println(d.getName());

 }     }

 }

 while ( /*action != null &&*/ !action.isEmpty());
 }
 }

Answer 1

文档

由扫描器引发，以指示检索到的标记与预期类型的模式不匹配，或者标记超出了预期类型的范围。

看着你的StackTrace：

p = sc.nextInt();