Phase I
This commit is contained in:
ds.731
40
src/bankAcctApp/BankAcctApp.java
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40
src/bankAcctApp/BankAcctApp.java
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package bankAcctApp;
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import java.util.ArrayList;
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import java.util.List;
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public class BankAcctApp {
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public static void main(String[] args) {
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ArrayList<Customer> customers = new ArrayList<>();
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boolean moreCustomers = true;
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while (moreCustomers) {
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Customer customer = new Customer();
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System.out.println("Enter details for new customer:\n");
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customer.setID(DataEntry.inputStringWithLimit("Customer ID (max 5 chars): ", 5));
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customer.setSSN(DataEntry.inputNumericString("SSN (9 numeric chars): ", 9));
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customer.setLastName(DataEntry.inputStringWithLimit("Last Name (max 20 chars): ", 20));
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customer.setFirstName(DataEntry.inputStringWithLimit("First Name (max 15 chars): ", 15));
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customer.setStreet(DataEntry.inputStringWithLimit("Street (max 20 chars): ", 20));
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customer.setCity(DataEntry.inputStringWithLimit("City (max 20 chars): ", 20));
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customer.setState(DataEntry.inputStringWithLimit("State (2 chars): ", 2));
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customer.setZip(DataEntry.inputNumericString("Zip (5 numeric chars): ", 5));
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customer.setPhone(DataEntry.inputNumericString("Phone (10 numeric chars): ", 10));
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customers.add(customer);
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String more = DataEntry.inputStringWithLimit("\nAdd another customer? (y/n): ", 1);
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if (!more.equalsIgnoreCase("y")) {
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moreCustomers = false;
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}
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}
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System.out.println("\nCustomer Information:");
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System.out.println("========================================");
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for (Customer c : customers) {
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System.out.println(c);
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}
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}
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}
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95
src/bankAcctApp/Customer.java
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95
src/bankAcctApp/Customer.java
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package bankAcctApp;
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public class Customer {
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private String id;
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private String ssn;
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private String lastName;
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private String firstName;
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private String street;
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private String city;
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private String state;
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private String zip;
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private String phone;
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// Getter and Setter for Customer ID info.
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public String getID() {
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return id;
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}
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public void setID(String id) {
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this.id = id;
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}
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// Getter and Setter for Customer SSN info.
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public String getSSN() {
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return ssn;
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}
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public void setSSN(String ssn) {
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this.ssn = ssn;
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}
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// Getter and Setter for Customer Last Name.
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public String getLastName() {
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return lastName;
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}
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public void setLastName(String lastName) {
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this.lastName = lastName;
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}
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// Getter and Setter for Customer First Name.
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public String getFirstName() {
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return firstName;
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}
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public void setFirstName(String firstName) {
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this.firstName = firstName;
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}
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// Getter and Setter for Customer Street Address.
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public String getStreet() {
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return street;
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}
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public void setStreet(String street) {
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this.street = street;
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}
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// Getter and Setter for Customer City.
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public String getCity() {
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return city;
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}
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public void setCity(String city) {
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this.city = city;
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}
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// Getter and Setter for Customer State.
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public String getState() {
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return state;
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}
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public void setState(String state) {
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this.state = state;
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}
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// Getter and Setter for Customer ZIP.
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public String getZip() {
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return zip;
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}
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public void setZip(String zip) {
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this.zip = zip;
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}
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// Getter and Setter for Customer Phone Number.
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public String getPhone() {
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return phone;
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}
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public void setPhone(String phone) {
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this.phone = phone;
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}
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// Override the toString() method that is inherited by default from Java's Object class.
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// Then use the custom-written toString() method to return Customer Info
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@Override
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public String toString() {
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return String.format(
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"ID: %s, SSN: %s, Name: %s %s, Address: %s, %s, %s %s, Phone: %s",
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id, ssn, firstName, lastName, street, city, state, zip, phone
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);
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}
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}
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116
src/bankAcctApp/DataEntry.java
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116
src/bankAcctApp/DataEntry.java
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package bankAcctApp;
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import java.util.Scanner;
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import java.util.regex.*;
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public class DataEntry {
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private static Scanner in = new Scanner(System.in);
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// Static method to validate a string without a limit.
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public static String inputString(String prompt) {
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System.out.print(prompt);
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return in.nextLine();
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}
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// Static method to validate a string with a limit.
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public static String inputStringWithLimit(String prompt, int maxLength) {
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String input;
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do {
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System.out.print(prompt);
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input = in.nextLine();
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if (input == "" || input.length() > maxLength) {
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System.out.println("Invalid input. Must be non-blank and up to "
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+ maxLength + " characters.");
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}
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} while (input == "" || input.length() > maxLength);
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return input;
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}
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// Static method to validate a numeric-only string without a limit.
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public static String inputNumericString(String prompt, int length) {
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String input;
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do {
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System.out.print(prompt);
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input = in.nextLine();
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if (!input.matches("\\d+")) {
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System.out.println("Invalid input. Must only be numeric characters.");
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}
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} while (!input.matches("\\d+"));
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return input;
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}
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// Static method to validate Integers.
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public static int inputInteger(String prompt) {
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int input = 0;
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boolean isValid = false;
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System.out.print(prompt);
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do {
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if (in.hasNextInt()) {
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input = in.nextInt();
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isValid = true;
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} else {
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System.out.print("Invalid entry. Try again: ");
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in.nextLine();
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}
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} while (!isValid);
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return input;
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}
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// Static method to validate Integers within a range.
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public static int inputIntegerInRange(String prompt, int min, int max) {
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int input = (min - 1);
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do {
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input = inputInteger(prompt);
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if (input < min || input > max) {
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System.out.print("Invalid input. Try again: ");
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}
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} while (input < min || input > max);
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return input;
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}
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// Static method to validate decimals.
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public static double inputDecimal(String prompt) {
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boolean isValid = false;
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double decimalValue = 0.0;
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System.out.print(prompt);
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do {
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if (in.hasNextDouble()) {
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decimalValue = in.nextDouble();
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isValid = true;
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} else{
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System.out.println("Invalid input. Please enter a valid decimal number.");
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in.next();
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}
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} while (!isValid);
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return decimalValue;
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}
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// Static method to validate decimals within a range.
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public static double inputDecimalInRange(String prompt, double min, double max) {
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double value;
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do {
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value = inputDecimal(prompt);
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if (value < min || value > max) {
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System.out.println("Invalid input. Must be between "
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+ min + " and " + max + ".");
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}
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} while (value < min || value > max);
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return value;
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}
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// Static method to validate a date in MM/DD/YYYY format.
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public static String inputDate(String prompt) {
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Pattern patternDate = Pattern.compile("^(0[1-9]|1[0-2])/(0[1-9]|[12][0-9]|3[01])/(\\d{4})$");
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String date = "";
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System.out.print(prompt);
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do {
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String input = in.nextLine();
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if (patternDate.matcher(input).matches()) {
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return input;
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} else {
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System.out.print("Invalid date. Please try again: ");
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}
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} while (date == "");
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return date;
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}
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}
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