BankingApplication_CustomerFileHandler

import java.io.*;
import java.util.Arrays;
import java.lang.*;
public class CustomerFileHandler {
    Customer []customer;
    private static String filename = "Bankfile.txt";

    public  void intialize() {

        customer=new Customer[20];
        File file = new File("G:\\My Drive\\notpad\\waste.txt");
        FileReader fileReader= null;
        try {
            fileReader = new FileReader(file);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
        BufferedReader reader = new BufferedReader(fileReader);
        String coustomerinfo = null;
        try {
            coustomerinfo = reader.readLine();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        int count=0;
        do{
            customer[count++]=costomerdiv(coustomerinfo);
            try {
                coustomerinfo= reader.readLine();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }while(coustomerinfo!=null);
        Bank.customer=customer;
        Bank.count=count-1;
        Bank.accountnumber=customer[count-1].accountId;
        Bank.custid=customer[count-1].CustomerId;
       // fileReader.close();
    }

    private static Customer costomerdiv(String coustomerinfo) {
        String[] cu=coustomerinfo.split(" ");
        Customer cust=new Customer(
                Integer.parseInt(cu[0]),
                cu[2],
                Double.parseDouble(cu[3].toString()),
                cu[4],
                Integer.parseInt(cu[1].toString())

        );
        return cust;
    }

    public void addCustomer(String name, String password, String repassword) throws IOException {
      if(!password.equals(repassword)) {
          System.out.println("mismatch password");
      }else{
          Bank.count++;
          Bank.custid++;
          Bank.accountnumber++;
          Customer cust=new Customer(Bank.custid,name,Bank.BALENCE,password,Bank.accountnumber);
                  customer[Bank.count]=cust;
         writeFile(customer[Bank.count]);

      }
    }
    private void writeFile(Customer customer)  {
        File file = new File("G:\\My Drive\\notpad\\waste.txt");
        FileWriter write= null;
        try {
            write = new FileWriter(file,true);
            write.write("\n"+customer.toString());
        } catch (IOException e) {
            throw new RuntimeException(e);
        }finally {
            try {
                write.close();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }


       }
    }