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MuhammadSaim/Java Simple Banking System

Created July 22, 2020 08:42
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Java Simple Banking System
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.");
}
}
}
}
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