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5 개의 클래스가있는 프로젝트에서 작업 중입니다. 그 중 하나가 유효성 검사 클래스입니다. 컨트롤 클래스의 데이터를 검증했지만 교수는 별도의 클래스에서 데이터를 원합니다. 여기 내 코드 샘플입니다. 사용자가 토큰에 정보를 입력합니다. 잘 실행되지만 컨트롤러 클래스에서 자체 클래스를 가진 유효성 검사를 "호출"하기로되어 있습니다. 이 코드를 어떻게 작성해야합니까?다른 클래스의 호출 유효성 검사 JAVA
while (tkCustomer.hasMoreTokens()){
//store each token in the corresponding variable
//Make sure we format integers
//variablename = tkCustomer.nextToken();
firstName = tkCustomer.nextToken();
lastName = tkCustomer.nextToken ();
phone = tkCustomer.nextToken ();
nbrVehicle = Integer.parseInt(tkCustomer.nextToken());
nbrTanks = Integer.parseInt(tkCustomer.nextToken());
}
//validate each data entered here
int firstNameLength = firstName.length();
if(firstNameLength == 0){
String errorMessage = "Please Enter a Valid First Name";
JOptionPane.showMessageDialog(null, errorMessage, "Invalid Name", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
int lastNameLength = lastName.length();
if(lastNameLength == 0){
String errorMesssage = "Please Enter a Valid Last Name";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Name", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
int phoneLength = phone.length();
if(phoneLength != 10) {
String errorMesssage = "Please Enter a Valid Phone Number";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Phone Number", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
if(nbrVehicle < 1 || nbrVehicle > 10) {
String errorMesssage = "Please Enter a Number Between 1 & 10 for Your Order of Vehicles";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Vehicle Order", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
if(nbrTanks != 2 && nbrTanks != 4 && nbrTanks != 8 && nbrTanks != 10 && nbrTanks != 15 && nbrTanks != 20){
String errorMesssage = "Please Enter Either 2, 4, 8, 10, 15, or 20 for Your Order of Tanks";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Number of Tanks", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}
}
}
}
}
또한 사용자가 지정한 특정 옵션을 선택하면 프로그램이 충돌합니다. 컨트롤 클래스의 전체 코드는 다음과 같습니다. 프로그램이 잘 실행되는 토크 나이저 항목의 첫 번째 라운드를 수행하십시오. 두 번째 라운드 후 프로그램이 나에게 오류를 제공 충돌이 :
Exception in thread "main" java.util.NoSuchElementException at java.util.StringTokenizer.nextToken(StringTokenizer.java:349) at project3example.HayloFactoryController.main(HayloFactoryController.java:126)
내가 시도하는 방법 "토큰을 가지고있는 동안"하지만 그건 그냥 무한 루프에 프로그램을 전송 만 정지 버튼으로 종료 될 수 있습니다. 여기
은 컨트롤 클래스의 전체 코드입니다 :package project3example;
수입 java.util.StringTokenizer의;
import javax.swing.JOptionPane;
공용 클래스 HayloFactoryController {
/**
* @param args
*/
public static void main(String[] args) {
//create variables to hold information collected from the user
String firstName = null;
String lastName = null;
String phone = "";
int nbrTanks = 0;
int nbrVehicle = 0;
double total = 0;
do{
//collect the data entered by the user in
//variables
String customerMessage = "Please enter the following separated by spaces"
+ "\n\n"
+ "- Customer First Name\n"
+ "- Customer Last Name\n"
+ "- Customer Phone\n"
+ "- Number of Vehicles\n"
+ "- Number of Tanks"
+ "\n\n"
+ "Example: Homer Simpson 9094559384 5 8\n\n"
;
StringTokenizer tkCustomer = new StringTokenizer(
JOptionPane.showInputDialog(customerMessage));
while (tkCustomer.hasMoreTokens()){
//store each token in the corresponding variable
//Make sure we format integers
//variablename = tkCustomer.nextToken();
firstName = tkCustomer.nextToken();
lastName = tkCustomer.nextToken ();
phone = tkCustomer.nextToken ();
nbrVehicle = Integer.parseInt(tkCustomer.nextToken());
nbrTanks = Integer.parseInt(tkCustomer.nextToken());
}
//validate each data entered here
int firstNameLength = firstName.length();
if(firstNameLength == 0){
String errorMessage = "Please Enter a Valid First Name";
JOptionPane.showMessageDialog(null, errorMessage, "Invalid Name", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
int lastNameLength = lastName.length();
if(lastNameLength == 0){
String errorMesssage = "Please Enter a Valid Last Name";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Name", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
int phoneLength = phone.length();
if(phoneLength != 10) {
String errorMesssage = "Please Enter a Valid Phone Number";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Phone Number", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
if(nbrVehicle < 1 || nbrVehicle > 10) {
String errorMesssage = "Please Enter a Number Between 1 & 10 for Your Order of Vehicles";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Vehicle Order", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}else{
if(nbrTanks != 2 && nbrTanks != 4 && nbrTanks != 8 && nbrTanks != 10 && nbrTanks != 15 && nbrTanks != 20){
String errorMesssage = "Please Enter Either 2, 4, 8, 10, 15, or 20 for Your Order of Tanks";
JOptionPane.showMessageDialog(null, errorMesssage, "Invalid Number of Tanks", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}
}
}
}
}
//Create a customer Object
//CustomerObject variableName = new CustomerObject(arguments)
HayloCustomer customer = new HayloCustomer (firstName, lastName, phone, nbrVehicle, nbrTanks, total);
//Present the customer with a choice of vehicles
String[] choices = {"EV-EX 4", "EV-EX 6", "EV-DX 9", "EV-DX 12", "EV-SX 13"};
int response = JOptionPane.showOptionDialog(
null // center over parent
, "Select a Vehicle type and Number of Fuel Cells" // message
, "Vehicle & Fuel Cell Selection" // title in title bar
, JOptionPane.YES_NO_OPTION // Option type
, JOptionPane.PLAIN_MESSAGE // messageType
, null // icon
, choices // Options
, "APS 24" // initial value
);
//get the selection from the customer
StringTokenizer tkVehicle= new StringTokenizer(choices[response]);
//populate the vehicle variables
String vehicleType;
int nbrCells;
int costVehicle;
int tankCost;
//while (tkVehicle.hasMoreTokens());
vehicleType = tkVehicle.nextToken();
nbrCells = Integer.parseInt(tkVehicle.nextToken());
costVehicle = Integer.parseInt(tkVehicle.nextToken());
tankCost = Integer.parseInt(tkVehicle.nextToken());
//Create our vehicle object
//VehicleObject variableName = new VehicleObject(arguments)
HayloVehicle vehicleFactory = new HayloVehicle(vehicleType, nbrCells, costVehicle, tankCost);
//Create our factory object
//FactoryObject factoryVariableName = new FactoryObject(customerObjectVariable, vehicleObjectVariable);
HayloFactory factory = new HayloFactory(customer, vehicleFactory);
//ask the object to process the order
//factoryVariableName.process();
customer.toString();
vehicleFactory.toString();
factory.process();
factory.toString();
//write code below to display the result for each order
JOptionPane.showMessageDialog(null, factory.getSummary());
}while (JOptionPane.showConfirmDialog(null, "Enter More Orders?") == JOptionPane.YES_OPTION);
//write code below to display the summary for all the orders
JOptionPane.showMessageDialog(null, HayloFactory.salesSummary());
}
은}
은 어떤 도움이 크게 감사합니다! 초보자, 라인에서 학년과 함께!