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MuhammadSaim/Java Simple Banking System

Created July 22, 2020 08:42
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Revisions

  1. MuhammadSaim created this gist Jul 22, 2020.
    174 changes: 174 additions & 0 deletions Java Simple Banking System
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,174 @@
    import java.util.*;

    class User{
    private String name;
    private double amount;

    public User(){

    }

    public User(String name, double amount){
    this.name = name;
    this.amount = amount;
    }

    public String getName() {
    return name;
    }

    public void setName(String name) {
    this.name = name;
    }

    public double getAmount() {
    return amount;
    }

    public void setAmount(double amount) {
    this.amount = amount;
    }
    }


    class Bank{

    private List<User> users;

    public Bank(){
    this.users = new ArrayList<User>();
    }

    public void addAccount(){
    System.out.println("\n");
    Scanner scanner = new Scanner(System.in);
    System.out.println("Enter name: ");
    String name = scanner.nextLine();
    System.out.println("Enter Amount: ");
    double amount = scanner.nextDouble();
    User user = new User(name, amount);
    this.users.add(user);
    }

    public void allAccounts(){
    System.out.println("\n\n");
    for(int i=0; i<this.users.size(); i++){
    System.out.println("Account #"+(i+1)+"\nName: "+this.users.get(i).getName()+"\nAmount: "+this.users.get(i).getAmount()+" \n\n");
    }
    }

    public void accountSearch(){
    System.out.println("\n");
    Scanner scanner = new Scanner(System.in);
    System.out.print("Enter Name to search: ");
    String name = scanner.nextLine();
    int account = this.searchAccount(name);
    if( account == -1){
    System.out.println("Sorry no account found.");
    }else{
    System.out.println("Name: "+this.users.get(account).getName()+"\nAmount: "+this.users.get(account).getAmount()+" \n\n");
    }
    }


    public void deposit(){
    System.out.println("\n");
    Scanner scanner = new Scanner(System.in);
    System.out.print("Enter Name to search: ");
    String name = scanner.nextLine();
    int account = this.searchAccount(name);
    if(account == -1){
    System.out.println("Sorry no account found.");
    }else{
    double current_amount = this.users.get(account).getAmount();
    System.out.print("Deposit amount: ");
    double amount = scanner.nextDouble();
    this.users.get(account).setAmount(current_amount + amount);
    System.out.println("Your total amount is "+this.users.get(account).getAmount());
    }

    }

    public void withdrawal(){
    System.out.println("\n");
    Scanner scanner = new Scanner(System.in);
    System.out.print("Enter Name to search: ");
    String name = scanner.nextLine();
    int account = this.searchAccount(name);
    if(account == -1){
    System.out.println("Sorry no account found.");
    }else{
    double current_amount = this.users.get(account).getAmount();
    System.out.print("Withdrawal amount: ");
    double amount = scanner.nextDouble();
    if(current_amount >= amount){
    this.users.get(account).setAmount(current_amount - amount);
    System.out.println("Your total amount is "+this.users.get(account).getAmount());
    }else{
    System.out.println("You have insufficient balance.");
    }
    }

    }


    private int searchAccount(String name){
    boolean flag = false;
    int account = -1;
    for (int i=0; i<this.users.size(); i++){
    if(this.users.get(i).getName().equals(name)){
    account = i;
    flag = true;
    break;
    }else{
    flag = false;
    }
    }
    if(flag){
    return account;
    }else{
    return account;
    }
    }


    }




    public class Main {

    public static void main(String[] args) {
    Bank bank = new Bank();
    while(true){
    System.out.println("==== Welcome To The MKBANK ====");
    System.out.println("1 => Add Account");
    System.out.println("2 => All Account");
    System.out.println("3 => Account Search");
    System.out.println("4 => Account Deposit");
    System.out.println("5 => Account Withdrawal");
    System.out.println("6 => Exit");
    System.out.print("your Choice: ");
    Scanner scanner = new Scanner(System.in);
    int choice = scanner.nextInt();
    if(choice == 1){
    bank.addAccount();
    }else if(choice == 2){
    bank.allAccounts();
    }else if(choice == 3){
    bank.accountSearch();
    }else if(choice == 4){
    bank.deposit();
    }else if(choice == 5){
    bank.withdrawal();
    }else if (choice == 6){
    System.out.println("Application is terminated");
    break;
    }else{
    System.out.println("Wrong input try again.");
    }
    }
    }

    }