JAVA RECORD PROGRAM TO UNDERSTAND BANK OPERATIONS USING INHERITANCE

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//Run this code in https://www.jdoodle.com/online-java-compiler

 import java.util.Scanner;

class Bank{

    protected String name;

    protected int accno;

    protected double p;

    public Bank(String n, int a, double p){

        name = n;

        accno = a;

        this.p = p;

    }

    public void display(){

        System.out.println("Customer Name: " + name);

        System.out.println("Account Number: " + accno);

        System.out.println("Principal Amount: " + p);

    }

}

class Account extends Bank{

    double amt;

    public Account(String n, int acc, double p){

        super(n, acc, p);

        amt = 0.0;

    }

    public void deposit(){

        Scanner in = new Scanner(System.in);

        System.out.print("Amount to be deposited: ");

        amt = Double.parseDouble(in.nextLine());

        p += amt;

    }

    public void withdraw(){

        Scanner in = new Scanner(System.in);

        System.out.print("Amount to be withdrawn: ");

        amt = Double.parseDouble(in.nextLine());

        if(amt > p)

            System.out.println("INSUFFICIENT BALANCE");

        else{

            p -= amt;

            if(p < 500)

                p = p - (500 - p) / 10;

        }

    }

    public void display(){

        super.display();

        System.out.println("Transaction Amount: " + amt);

    }

}

public class MyInheritance{

    public static void main(String[] args){

        Scanner in = new Scanner(System.in);

        System.out.print("Name: ");

        String n = in.nextLine();

        System.out.print("Account Number: ");

        int a = Integer.parseInt(in.nextLine());

        System.out.print("Principal Amount: ");

        double p = Double.parseDouble(in.nextLine());

        Account obj = new Account(n, a, p);

        while(true){

            System.out.println("1. Deposit Money");

            System.out.println("2. Withdraw Money");

            System.out.println("3. Display Details");

            System.out.print("Enter your choice: ");

            int choice = Integer.parseInt(in.nextLine());

            switch(choice){

            case 1:

                obj.deposit();

                break;

            case 2:

                obj.withdraw();

                break;

            case 3:

                obj.display();

                break;

            default:

                System.out.println("Bye!");

                return;

            }

        }

    }

}


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