BankAccount

package Bank_Acount;

import java.util.Scanner;
import java.util.Set;

public class BankClient {
    private int current = -1;
    private Scanner scanner = new Scanner(System.in);
    private boolean done = false;
    private Bank bank = new Bank();
    public void run(){
        scanner = new Scanner(System.in);
        while(!done){
            System.out.print("Enter command (0=quit, 1=new, 2=select, 3=deposit, 4=loan, 5=show, 6=interest)");
            int cmd = scanner.nextInt();
            proccessCommand(cmd);
        }
    }
    private void proccessCommand(int cmd){
        if(cmd == 0) quit();
        else if (cmd == 1) newAccount();
        else if (cmd == 2) select();
        else if (cmd == 3) deposit();
        else if (cmd == 4) authorizeLoan();
        else if (cmd == 5) showAll();
        else if (cmd == 6) addInterest();
        else
            System.out.println("Invalid command");

    }
    private void newAccount(){
        current = bank.newAccount();
        System.out.println("Your new account is: " + current);
    }
    private void select(){
        System.out.print("Enter Accounts: ");
        current = scanner.nextInt();
        int balance = bank.getBalance(current);
        System.out.println("The balance of account "  + current + " is " + balance);

    }
    private void deposit(){
        System.out.print("Enter deposit amount: ");
        int amount = scanner.nextInt();
        bank.deposit(current, amount);
    }
    private void authorizeLoan(){
        System.out.print("Enter loan amount: ");
        int loanamount = scanner.nextInt();
        if(bank.authorizeLoan(current, loanamount))
            System.out.println("Your loan is confirmed");
        else
            System.out.println("Your loan is declined");
    }
    private void showAll(){
        System.out.println(bank.toString());
    }
    private void quit() {
        done = true;
        System.out.println("Goodbye!");
    }
    private void addInterest(){
        Set<Integer>accts = accounts.keySet();
        for(int i : accts){
            int balance = accounts.get(1);
            int newbalance = (int) (balance * (1+rate));
        }

    }
}