Account.java

public class Account {
   // Private variables
   private int accountNumber;
   private double balance;
 
   // Constructors
   public Account(int accountNumber, double balance) {
      this.accountNumber = accountNumber;
      this.balance = balance;
   }
 
   public Account(int accountNumber) {
      this.accountNumber = accountNumber;
      balance = 0;
   }
 
   // Public getters and setters for private variables
   public int getAccountNumber() {
      return accountNumber;
   }
 
   public double getBalance() {
      return balance;
   }
 
   public void setBalance(double balance) {
      this.balance = balance;
   }
 
   public void credit(double amount) {
      balance += amount;
   }
 
   public void debit(double amount) {
      if (balance < amount) {
         System.out.println("amount withdrawn exceeds the current balance!");
      } else {
         balance -= amount;
      }
   }
 
   public String toString() {
      return String.format("A/C no: %d Balance=%.2f", accountNumber, balance);
   }
}