Thread: Syntax error on Token else?

So I wrote this program for a lab assignment and I tried to compile it and I got this syntax error - "1 error found: File: C:\Users\Documents\Unit6myName.java [line: 34] Error: Syntax error on token "else", ) expected" Could anyone help me out with this?

import java.util.*;
 
public class Unit6MYNAME
{
  public static final double SAVE_INTEREST = .04;
  public static final double NORM_CHECK_INTEREST = .015;
  public static final double MAX_CHECK_INTEREST = .03;
  public static final double CHECK_FEE = 25.00;
  public static final double SAVE_FEE = 10.00;
  public static final double CHECK_MINI_BAL = 25.00;
  public static final double SAVE_MINI_BAL = 500.00;
 
  public static void main(String[] args)
  {
    Scanner keyboard = new Scanner(System.in);
 
    String accountNumber,
           accountType,
           continuation;
 
    double preAccountBalance,
           accountBalance,
           interest;
 
 
    while (continuation.equalsIgnoreCase("y"))
    {
       System.out.println("Please enter y to continue, ");
       System.out.println("otherwise enter n to quit.");
       continuation = keyboard.nextString;   
 
       if (accountNumber.matches("\\d{10}")
 
       else
        System.out.println("Invalid Entry");
        System.exit(0);
 
       System.out.println("Please enter the letter c to enter information");
       System.out.println(" for a checking account."); 
       System.out.println("Otherwise, enter s for a savings account.");
       accountType = keyboard.nextLine;
 
       if (accountType.equalsIgnoreCase("c"))
       {    
         System.out.println("Please enter the account balance.");
         preAccountBalance = keyboard.nextDouble;
 
         if (preAccountBalance < CHECK_MINI_BAL)
         { 
           preAccountBalance = preAccountBalance - CHECK_FEE;
           interest = 0;
         }
 
         else 
          interest = preAccountBalance * NORM_CHECK_INTEREST;
         accountBalance = preAccountBalance + interest;
       }
 
         else if (accountBalance >= 5500)
          interest = preAccountBalance * MAX_CHECK_INTEREST;
          accountBalance = preAccountBalance + interest;
 
         System.out.println("Account Number:" + accountNumber);
         System.out.println("Type of Account:" + accountType);
         System.out.printf("Previous Balance: .2f" , preAccountBalance);
         System.out.printf("Interest Earned: .2f" , interest);
 
         if (preAccountBalance < CHECK_MINI_BAL)
           System.out.printf("Service Fee: .2f" , CHECK_FEE);
 
         System.out.println("New Balance: .2f" , accountBalance);
       }
 
       if (accountType.equalsIgnoreCase("s"))
       {    
         System.out.println("Please enter the account balance.");
         accountBalance = keyboard.nextDouble;
 
         if (preAccountBalance < SAVE_MINI_BAL)
         { 
           preAccountBalance = accountBalance - SAVE_FEE;
           interest = 0;
         }
 
         else 
          interest = preAccountBalance * SAVE_INTEREST;
          accountBalance = preAccountBalance + interest;
 
         System.out.println("Account Number:" + accountNumber);
         System.out.println("Type of Account:" + accountType);
         System.out.printf("Previous Balance: .2f" , preAccountBalance);
         System.out.printf("Interest Earned: .2f" , interest);
 
         if (preAccountBalance < SAVE_MINI_BAL)
           System.out.printf("Service Fee: .2f" , CHECK_FEE);
 
         System.out.println("New Balance: .2f" , accountBalance);
       }
    }
}

I tried adding an additional parentheses, but then the error changed to saying that there is an error on the else token, delete this token.

1 error found:
File: C:\Users\Documents\MYNAME.java [line: 34]
Error: Syntax error on token "else", delete this token

Don't I need an else there?

And yes, I added more {}s.

Alright, I did a lot of fiddling with my code and got it to compile, but now it is shutting down prematurely. For some reason, my program seems to skip over several segments of code and immediately perform System.exit.

import java.util.*;
 
public class Unit6ParkerTom
{
  public static final double SAVE_INTEREST = .04;
  public static final double NORM_CHECK_INTEREST = .015;
  public static final double MAX_CHECK_INTEREST = .03;
  public static final double CHECK_FEE = 25.00;
  public static final double SAVE_FEE = 10.00;
  public static final double CHECK_MINI_BAL = 25.00;
  public static final double SAVE_MINI_BAL = 500.00;
 
  public static void main(String[] args)
  {
    Scanner keyboard = new Scanner(System.in);
 
    String accountNumber = "0000000000";
    String       accountType = "g";
 
      int continuation;
 
    double preAccountBalance =0,
           accountBalance = 0,
           interest = 0;
 
     System.out.println("Please enter a non zero integer to continue, ");
     System.out.println("otherwise enter 0 to quit.");
     continuation = keyboard.nextInt();   
 
 
 
    while (continuation != 0)
    {
       System.out.println("Please enter an account number.");
       accountNumber = keyboard.nextLine();
 
       if (accountNumber.matches("\\d{10}"))
       {
        System.out.println("Please enter the letter c to enter information");
        System.out.println(" for a checking account."); 
        System.out.println("Otherwise, enter s for a savings account.");
        accountType = keyboard.nextLine();
       }
       else
       {
        System.out.println("Invalid Entry");
        System.exit(0);
       }  
 
 
       if (accountType.equalsIgnoreCase("c"))
       {    
         System.out.println("Please enter the account balance.");
         preAccountBalance = keyboard.nextDouble();
 
         if (preAccountBalance < CHECK_MINI_BAL)
         { 
           preAccountBalance = preAccountBalance - CHECK_FEE;
           interest = 0;
         }
 
         else 
         { 
          interest = preAccountBalance * NORM_CHECK_INTEREST;
          accountBalance = preAccountBalance + interest;
         }
       }
 
         else if (accountBalance >= 5500)
          interest = preAccountBalance * MAX_CHECK_INTEREST;
          accountBalance = preAccountBalance + interest;
 
         System.out.println("Account Number:" + accountNumber);
         System.out.println("Type of Account:" + accountType);
         System.out.printf("Previous Balance: .2f" , preAccountBalance);
         System.out.printf("Interest Earned: .2f" , interest);
 
         if (preAccountBalance < CHECK_MINI_BAL)
           System.out.printf("Service Fee: .2f" , CHECK_FEE);
 
         System.out.printf("New Balance: .2f" , accountBalance);
       }
 
       if (accountType.equalsIgnoreCase("s"))
       {    
         System.out.println("Please enter the account balance.");
         accountBalance = keyboard.nextDouble();
 
         if (preAccountBalance < SAVE_MINI_BAL)
         { 
           preAccountBalance = accountBalance - SAVE_FEE;
           interest = 0;
         }
 
         else 
          interest = preAccountBalance * SAVE_INTEREST;
          accountBalance = preAccountBalance + interest;
 
         System.out.println("Account Number:" + accountNumber);
         System.out.println("Type of Account:" + accountType);
         System.out.printf("Previous Balance: .2f" , preAccountBalance);
         System.out.printf("Interest Earned: .2f" , interest);
 
         if (preAccountBalance < SAVE_MINI_BAL)
           System.out.printf("Service Fee: .2f" , CHECK_FEE);
 
         System.out.printf("New Balance: .2f" , accountBalance);
 
       System.out.println("Please enter a non zero integer to continue, ");
       System.out.println("otherwise enter 0 to quit.");
       continuation = keyboard.nextInt();   
       }
    }
}

All curly brackets added. Program is still skipping to System.exit.

import java.util.*;
 
public class Unit6ParkerTom
{
  public static final double SAVE_INTEREST = .04;
  public static final double NORM_CHECK_INTEREST = .015;
  public static final double MAX_CHECK_INTEREST = .03;
  public static final double CHECK_FEE = 25.00;
  public static final double SAVE_FEE = 10.00;
  public static final double CHECK_MINI_BAL = 25.00;
  public static final double SAVE_MINI_BAL = 500.00;
 
  public static void main(String[] args)
  {
    Scanner keyboard = new Scanner(System.in);
 
    String accountNumber = "0000000000";
    String       accountType = "g";
 
      int continuation;
 
    double preAccountBalance =0,
           accountBalance = 0,
           interest = 0;
 
     System.out.println("Please enter a non zero integer to continue, ");
     System.out.println("otherwise enter 0 to quit.");
     continuation = keyboard.nextInt();   
 
 
 
    while (continuation != 0)
    {
       System.out.println("Please enter an account number.");
       accountNumber = keyboard.nextLine();
 
       if (accountNumber.matches("\\d{10}"))
       {
        System.out.println("Please enter the letter c to enter information");
        System.out.println(" for a checking account."); 
        System.out.println("Otherwise, enter s for a savings account.");
        accountType = keyboard.nextLine();
       }
       else
       {
        System.out.println("Invalid Entry");
        System.exit(0);
       }  
 
 
       if (accountType.equalsIgnoreCase("c"))
       {    
         System.out.println("Please enter the account balance.");
         preAccountBalance = keyboard.nextDouble();
 
         if (preAccountBalance < CHECK_MINI_BAL)
         { 
           preAccountBalance = preAccountBalance - CHECK_FEE;
           interest = 0;
         }
 
         else 
         { 
          interest = preAccountBalance * NORM_CHECK_INTEREST;
          accountBalance = preAccountBalance + interest;
         }
       }
 
         else if (accountBalance >= 5500)
         {
          interest = preAccountBalance * MAX_CHECK_INTEREST;
          accountBalance = preAccountBalance + interest;
         } 
         System.out.println("Account Number:" + accountNumber);
         System.out.println("Type of Account:" + accountType);
         System.out.printf("Previous Balance: .2f" , preAccountBalance);
         System.out.printf("Interest Earned: .2f" , interest);
 
         if (preAccountBalance < CHECK_MINI_BAL)
         {
           System.out.printf("Service Fee: .2f" , CHECK_FEE);
         }
         System.out.printf("New Balance: .2f" , accountBalance);
       }
 
       if (accountType.equalsIgnoreCase("s"))
       {    
         System.out.println("Please enter the account balance.");
         accountBalance = keyboard.nextDouble();
 
         if (preAccountBalance < SAVE_MINI_BAL)
         { 
           preAccountBalance = accountBalance - SAVE_FEE;
           interest = 0;
         }
 
         else 
         {
          interest = preAccountBalance * SAVE_INTEREST;
          accountBalance = preAccountBalance + interest;
         }
         System.out.println("Account Number:" + accountNumber);
         System.out.println("Type of Account:" + accountType);
         System.out.printf("Previous Balance: .2f" , preAccountBalance);
         System.out.printf("Interest Earned: .2f" , interest);
 
         if (preAccountBalance < SAVE_MINI_BAL)
         {
           System.out.printf("Service Fee: .2f" , CHECK_FEE);
         }
         System.out.printf("New Balance: .2f" , accountBalance);
 
       System.out.println("Please enter a non zero integer to continue, ");
       System.out.println("otherwise enter 0 to quit.");
       continuation = keyboard.nextInt();   
       }
    }
}

It should end if a ten digit account number is not entered properly, however it executes System.exit() after the first prompt to continue. As for the second part, not sure what you are referencing.

Entering any non zero digit at the input box causes the program to execute System.exit and everything disappears from the console window.

> run Unit6MYNAME
Please enter a non zero integer to continue,
otherwise enter 0 to quit.
[DrJava Input Box]

How do I do that?

Originally Posted by Norm

Sorry, I don't know anything about DrJava.

What prints out for the invalid input that causes the program to exit?
Invalid Entry ???????

Yeah, Invalid Entry is supposed to print out if the account number is not ten digits and then System.exit is supposed to execute. However, it skips from the first prompt past the account number segment in the while loop all the way to the System.exit command without even displaying the invalid entry message.

Edit: I can see the invalid entry message now. :/