Homework Sourseimport javautilDate import javautilScanner public class Acco
import java.util.Date;
import java.util.Scanner;
public class Account {
protected int accountID;
protected double balance;
protected double annualInterestRate;
protected Date dateCreated;
public Account() {
accountID = 0;
balance = 0;
annualInterestRate = 0;
dateCreated = new Date();
}
public Account(int accountID, double balance, double annualInterestRate) {
this.accountID = accountID;
this.balance = balance;
this.annualInterestRate = annualInterestRate;
dateCreated = new Date();
}
/**
*
* @return the Account\'s ID
*/
public int getAccountID() {
return accountID;
}
/**
*
* @param accountID the ID the user wants the accountID changed to.
*/
public void setAccountID(int accountID) {
this.accountID = accountID;
}
/**
*
* @return the account balance.
*/
public double getBalance() {
return balance;
}
/**
*
* @param balance the amount that the user wants the balance
* changed to.
*/
public void setBalance(double amount) {
this.balance = amount;
}
/**
*
* @return the annual interest rate.
*/
public double getAnnualInterestRate() {
return annualInterestRate;
}
/**
*
* @param annualInterestRate interest rate to change to.
*/
public void setAnnualInterestRate(double annualInterestRate) {
this.annualInterestRate = annualInterestRate;
}
/**
*
* @return the date the account was created.
*/
public Date getDateCreated() {
return dateCreated;
}
/**
*
* @return monthly interest rate calculated from the annual interest
* and the balance.
*/
public double getMonthlyInterest() {
return (annualInterestRate*balance)/12;
}
/**
*
* @param amount amount to be withdrawn
*/
public void withdraw(double amount) {
balance -= amount;
}
/**
*
* @param amount amount to be deposited
*/
public void deposit(double amount) {
balance += amount;
}
/**
*
* @param amount amount to be deposited.
*/
public void deposit(int amount) {
balance += (double)amount;
}
/**
* @return string representation of the account.
*/
public String toString() {
return \"Account ID:\\t\\t\\t\"
+ accountID
+ \"\ Balance:\\t\\t\\t$\"
+ String.format(\"%.02f\", balance)
+ \"\ Monthly Interest Earned:\\t$\"
+ String.format(\"%.02f\", getMonthlyInterest())
+ \"\ Date Created:\\t\\t\\t\"
+ getDateCreated();
}
public class Checking extends Account {
private final double MAX_OVERDRAFT = -5000.00;
public Checking() {
// Auto-generated constructor stub
super();
}
public Checking(int accountID, double balance, double annualInterestRate) {
super(accountID, balance, annualInterestRate);
// Auto-generated constructor stub
}
/**
* @param amount amount to be withdrawn from the account.
*/
@Override
public void withdraw(double amount) {
if(amount > 0) {
if(balance-amount < MAX_OVERDRAFT){
System.out.println(\"Account has reached it\'s withdrawal limit.\");
}
else
balance -= amount;
}
else
System.out.println(\"Cannot withdraw a negative amount.\");
}
public class Savings extends Account {
public Savings() {
// Auto-generated constructor stub
}
public Savings(int accountID, double balance, double annualInterestRate) {
super(accountID, balance, annualInterestRate);
// Auto-generated constructor stub
}
/**
* @param amount amount to be withdrawn
*/
@Override
public void withdraw(double amount) {
if(amount > 0) {
if (balance-amount < 0) {
System.out.println(\"Account has reached it\'s withdrawal limit.\");
}
else
balance -= amount;
}
else
System.out.println(\"Cannot withdraw a negative amount!\");
}
public class TestAccount {
public static void main(String[] args) {
// T Auto-generated method stub
Scanner kb = new Scanner(System.in);
//user variables used to create Accounts
int ID;
double bal, interest;
//Getting the parameter values from the user for the
//Savings Account
System.out.print(\"Enter an ID for the savings account: \");
ID = kb.nextInt();
System.out.print(\"Enter the starting balance for the account: \");
bal = kb.nextDouble();
System.out.print(\"Enter the annual interest rate for the account: \");
interest = kb.nextDouble();
//Creating the savings
Savings mySavings = new Savings(ID, bal, interest);
//Getting the parameter values from the user for the
//Checking Account
System.out.print(\"Enter an ID for the checking account: \");
ID = kb.nextInt();
System.out.print(\"Enter the starting balance for the account: \");
bal = kb.nextDouble();
System.out.print(\"Enter the annual interest rate for the account: \");
interest = kb.nextDouble();
//Creating the checking
Checking myChecking = new Checking(ID, bal, interest);
//testing the savings withdraw
System.out.print(\"How much should be withdrawn from the savings: \");
mySavings.withdraw(kb.nextDouble());
//testing the savings deposit
System.out.print(\"How much should be deposited into the savings: \");
mySavings.deposit(kb.nextDouble());
//testing the checking withdraw
System.out.print(\"How much should be withdrawn from the checking: \");
myChecking.withdraw(kb.nextDouble());
//testing the checking deposit
System.out.print(\"How much should be deposited into the checking: \");
myChecking.deposit(kb.nextDouble());
//printing the two accounts.
System.out.println(mySavings);
System.out.println();
System.out.println(myChecking);
}
}
}
}
}
Solution
mport java.io.*;
class BankWork
{
final int max_limit=20;
final int min_limit=1;
final double min_bal=500;
private String name[]=new String[20];
privateint accNo[]=newint[20];
private String accType[]=new String[20];
privatedouble balAmt[]=newdouble[20];
staticint totRec=0;
//constructor
BankWork()
{
for(int i=0;i<max_limit;i++)
{
name[i]=\"\";
accNo[i]=0;
accType[i]=\"\";
balAmt[i]=0.0;
}
}
//TO ADD NEW RECORDpublicvoid newEntry()
{
String str;
int acno;
double amt;
boolean permit;
permit=true;
if (totRec>max_limit)
{
System.out.println(\"\ \ \ Sorry we cannot admit you in our bank...\ \ \ \");
permit=false;
}
if(permit = true) //Allows to create new entry
{
totRec++; // Incrementing Total Record
System.out.println(\"\ \ \ =====RECORDING NEW ENTRY=====\");
try{
accNo[totRec]=totRec; //Created AutoNumber to accNo so no invalid id occurs
System.out.println(\"Account Number : \"+accNo[totRec]);
BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
System.out.print(\"Enter Name : \");
System.out.flush();
name[totRec]=obj.readLine();
System.out.print(\"Enter Account Type : \");
System.out.flush();
accType[totRec]=obj.readLine();
do{
System.out.print(\"Enter Initial Amount to be deposited : \");
System.out.flush();
str=obj.readLine();
balAmt[totRec]=Double.parseDouble(str);
}while(balAmt[totRec]<min_bal); //Validation that minimun amount must be 500
System.out.println(\"\ \ \ \");
}
catch(Exception e)
{}
}
}
//TO DISPLAY DETAILS OF RECORDpublicvoid display()
{
String str;
int acno=0;
boolean valid=true;
System.out.println(\"\ \ =====DISPLAYING DETAILS OF CUSTOMER=====\ \");
try{
BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
System.out.print(\"Enter Account number : \");
System.out.flush();
str=obj.readLine();
acno=Integer.parseInt(str);
if (acno<min_limit || acno>totRec) //To check whether accNo is valid or Not
{
System.out.println(\"\ \ \ Invalid Account Number \ \ \");
valid=false;
}
if (valid==true)
{
System.out.println(\"\ \ Account Number : \"+accNo[acno]);
System.out.println(\"Name : \"+name[acno]);
System.out.println(\"Account Type : \"+accType[acno]);
System.out.println(\"Balance Amount : \"+balAmt[acno]+\"\ \ \ \");
}
}
catch(Exception e)
{}
}
//TO DEPOSIT AN AMOUNTpublicvoid deposit()
{
String str;
double amt;
int acno;
boolean valid=true;
System.out.println(\"\ \ \ =====DEPOSIT AMOUNT=====\");
try{
//Reading deposit value
BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
System.out.print(\"Enter Account No : \");
System.out.flush();
str=obj.readLine();
acno=Integer.parseInt(str);
if (acno<min_limit || acno>totRec) //To check whether accNo is valid or Not
{
System.out.println(\"\ \ \ Invalid Account Number \ \ \");
valid=false;
}
if (valid==true)
{
System.out.print(\"Enter Amount you want to Deposit : \");
System.out.flush();
str=obj.readLine();
amt=Double.parseDouble(str);
balAmt[acno]=balAmt[acno]+amt;
//Displaying Depsit Details
System.out.println(\"\ After Updation...\");
System.out.println(\"Account Number : \"+acno);
System.out.println(\"Balance Amount : \"+balAmt[acno]+\"\ \ \ \");
}
}
catch(Exception e)
{}
}
//TO WITHDRAW BALANCEpublicvoid withdraw()
{
String str;
double amt,checkamt;
int acno;
boolean valid=true;
System.out.println(\"\ \ \ =====WITHDRAW AMOUNT=====\");
try{
//Reading deposit value
BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
System.out.print(\"Enter Account No : \");
System.out.flush();
str=obj.readLine();
acno=Integer.parseInt(str);
if (acno<min_limit || acno>totRec) //To check whether accNo is valid or Not
{
System.out.println(\"\ \ \ Invalid Account Number \ \ \");
valid=false;
}
if (valid==true)
{
System.out.println(\"Balance is : \"+balAmt[acno]);
System.out.print(\"Enter Amount you want to withdraw : \");
System.out.flush();
str=obj.readLine();
amt=Double.parseDouble(str);
checkamt=balAmt[acno]-amt;
if(checkamt >= min_bal)
{
balAmt[acno]=checkamt;
//Displaying Depsit Details
System.out.println(\"\ After Updation...\");
System.out.println(\"Account Number : \"+acno);
System.out.println(\"Balance Amount : \"+balAmt[acno]+\"\ \ \ \");
}
else
{
System.out.println(\"\ \ As per Bank Rule you should maintain minimum balance of Rs 500\ \ \ \");
}
}
}
catch(Exception e)
{}
}
};
class Bank
{
publicstaticvoid main(String args[])
{
String str;
int choice;
choice=0;
BankWork BW_obj = new BankWork();
do
{
System.out.println(\"Choose Your Choices ...\");
System.out.println(\"1) New Record Entry \");
System.out.println(\"2) Display Record Details \");
System.out.println(\"3) Deposit...\");
System.out.println(\"4) Withdraw...\");
System.out.println(\"5) Exit\");
System.out.print(\"Enter your choice : \");
System.out.flush();
try{
BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
str=obj.readLine();
choice=Integer.parseInt(str);
switch(choice)
{
case 1 : //New Record Entry
BW_obj.newEntry();
break;
case 2 : //Displaying Record Details
BW_obj.display();
break;
case 3 : //Deposit...
BW_obj.deposit();
break;
case 4 : //Withdraw...
BW_obj.withdraw();
break;
case 5 : System.out.println(\"\ \ .....THANKS FOR VISITING.....\");
break;
default : System.out.println(\"\ Invalid Choice \ \ \");
}
}
catch(Exception e)
{}
}while(choice!=5);
}
}
