1. Define Bank Account Class

package com.company;
public class Main {
    public static void main(String[] args) {
        BankAccount acc = new BankAccount();
        acc.setId(1);
        acc.setBalance(15);
        acc.withdraw(5);
        System.out.printf("Account ID%d, balance %.2f"
                ,acc.getId(),acc.getBalance());
    }
}
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package com.company;
public class BankAccount {
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public double getBalance() {
        return balance;
    }
    public void setBalance(double balance) {
        this.balance = balance;
    }
    public void deposit(double amaunt){
        this.balance+=amaunt;
    }
    public void withdraw(double amaunt){
        this.balance-=amaunt;
    }
    private double amaunt;
    private int id;
    private double balance;
    @Override
    public String toString(){
        return "ID" + this.id;
    }
    public BankAccount() {
        this.id = id;
        this.balance = balance;
    }
}