SourceCode

import java.util.Scanner;  
class BankDetails {  
    private String accno;  
    private String name;  
    private String acc_type;  
    private long balance;  
    Scanner sc = new Scanner(System.in);  
    //method to open new account  
    public void openAccount() {  
        System.out.println("");
        System.out.println("\tNote: Please select your Bank Account type");
        System.out.println("");
        System.out.println("    \t\t1. SavingsAccount");
        System.out.println("    \t\t2. CurrentAccount");
        System.out.println("    \t\t3. ZeroAccount");
        System.out.println("");
        System.out.print("\t\tEnter Account No: ");  
        accno = sc.next();  
        System.out.print("\t\tEnter Account type: "); //SAVINGSACOOUNT -- CURRENT ACCOUNT --ZEROACCOUNT 
        acc_type = sc.next();  
        System.out.print("\t\tEnter Name: ");  
        name = sc.next();  
        System.out.print("\t\tEnter Balance: ");  
        balance = sc.nextLong();
        System.out.println("");
        System.out.println("");  
    }  
    //method to display account details  
    public void showAccount() {
        System.out.println("");
        System.out.println("\t\t<***  HOLDER DETAILS  ***>");
        System.out.println("");
        System.out.println("\t\t Name of account holder: " + name);  
        System.out.println("\t\t Account no.: " + accno);  
        System.out.println("\t\t Account type: " + acc_type);  
        System.out.println("\t\t Balance: " + balance);
        System.out.println("");  
          
    }  
    //method to deposit money  
    public void deposit() {  
        long amt;  
        System.out.print("\tEnter the amount you want to deposit: ");  
        amt = sc.nextLong();  
        balance = balance + amt;

        System.out.println("");
        System.out.println("\t\t<***  HOLDER DETAILS  ***>");
        System.out.println("");
        System.out.println("\t\t Name of account holder: " + name);  
        System.out.println("\t\t Account no.: " + accno);  
        System.out.println("\t\t Account type: " + acc_type);  
        System.out.println("\t\t Balance: " + balance);
        System.out.println("");

    }  
    //method to withdraw money  
    public void withdrawal() {  
        long amt;  
        System.out.print("Enter the amount you want to withdraw: ");  
        amt = sc.nextLong();  
        if (balance >= amt) {  
            balance = balance - amt;  
            System.out.println("\t\tBalance after withdrawal: " + balance);  
        } else {  
            System.out.println("\t\tYour balance is less than " + amt + "\tTransaction failed...!!" );  
        }

        System.out.println("");
        System.out.println("\t\t<***  HOLDER DETAILS  ***>");
        System.out.println("");
        System.out.println("\t\t Name of account holder: " + name);  
        System.out.println("\t\t Account no.: " + accno);  
        System.out.println("\t\t Account type: " + acc_type);  
        System.out.println("\t\t Balance: " + balance);
        System.out.println("");  
    }  
    //method to search an account number  
    public boolean search(String ac_no) {  
        if (accno.equals(ac_no)) {  
            showAccount();  
            return (true);  
        }  
        return (false);  
    }  
}  
class BankingApplication {  
    public static void main(String arg[]) {  
        Scanner sc = new Scanner(System.in);  
        //create initial accounts  
        System.out.println("");
        System.out.print("How many number of customers do you want to input? ");  
        int n = sc.nextInt();  
        BankDetails C[] = new BankDetails[n];  
        for (int i = 0; i < C.length; i++) {  
            C[i] = new BankDetails();  
            C[i].openAccount();  
        }  
        // loop runs until number 5 is not pressed to exit  
        int ch;  
        do {  
            System.out.println("\n\t <***:    Banking System Application    :***>");  
            System.out.println("");
            System.out.println("\t\t1. Display all account details");
            System.out.println("\t\t2. Search by Account number");  
            System.out.println("\t\t3. Deposit the amount");
            System.out.println("\t\t4. Withdraw the amount");
            System.out.println("\t\t5. Exit");
            System.out.println("");
            System.out.println("");
            System.out.print("\t\tEnter your choice: ");  
            ch = sc.nextInt();  
                switch (ch) {  
                    case 1:  
                        for (int i = 0; i < C.length; i++) {  
                            C[i].showAccount();  
                        }  
                        break;  
                    case 2:
                        System.out.println("");  
                        System.out.print("\tEnter account number you want to search: ");  
                        String ac_no = sc.next();  
                        boolean found = false;  
                        for (int i = 0; i < C.length; i++) {  
                            found = C[i].search(ac_no);  
                            if (found) {  
                                break;  
                            }  
                        }  
                        if (!found) {  
                            System.out.println("");
                            System.out.println("\tSearch failed! Account doesn't exist..!!");  
                        }  
                        break;  
                    case 3:
                        System.out.println("");  
                        System.out.print("\t\tEnter Account no. : ");  
                        ac_no = sc.next();  
                        found = false;  
                        for (int i = 0; i < C.length; i++) {  
                            found = C[i].search(ac_no);  
                            if (found) {  
                                C[i].deposit();  
                                break;  
                            }  
                        }  
                        if (!found) {  
                            System.out.println("");
                            System.out.println("\tSearch failed! Account doesn't exist..!!");  
                        }  
                        break;  
                    case 4:
                        System.out.println("");
                        System.out.print("\t\tEnter Account No : ");  
                        ac_no = sc.next();  
                        found = false;  
                        for (int i = 0; i < C.length; i++) {  
                            found = C[i].search(ac_no);  
                            if (found) {  
                                C[i].withdrawal();  
                                break;  
                            }  
                        }  
                        if (!found) {
                            System.out.println("");  
                            System.out.println("\tSearch failed! Account doesn't exist..!!");  
                        }  
                        break;  
                    case 5:
                        System.out.println("");  
                        System.out.println("\t\t <*** See you soon...  ***>");  
                        break;  
                }  
            }  
            while (ch != 5);  
        }  
    }