我正在编写一个简单的程序，用户输入密码以使用目录系统。
如果用户选择不输入任何详细信息，我想将其注销，然后为他们提供重新登录的选项。我曾尝试使用循环来执行此操作（请参见下面的代码），但是当我将 passQ 变量重置为 0 时，我希望它能够将用户注销并返回到循环中的开始语句......但这并没有发生。
谁能指出我正确的方向。
我尝试添加中断；（在下面注释掉）但这刚刚结束了程序。
ps 我知道这种管理密码的方式并不安全，我只是在玩游戏，因为我将来可能想将这样的循环用于其他事情。
package directory;
import java.util.ArrayList;
import java.util.Scanner;
public class Directory {
/**
* @param args the command line arguments
*/
//-------------//
//Main Meathod //
//-------------//
public static void main (String[] args)
{
//------------------//
// Define Variables //
//------------------//
String question = "Y";
String passQ = "0";
String password = "password";
Scanner passCheck = new Scanner(System.in);
System.out.println("Welcome to Chris Headleands Tel Directory, Enter Password to access sytems"); //1 and 0 used for yes and no
question = passCheck.nextLine(); // Next line used to decide if the user wants to enter a persons details
while (passQ != password)
{
if (question.equalsIgnoreCase("password")) //Do they want to ender a person? 1 == yes
{
//Create a new array list for the people created
ArrayList<TelEntry> directory = new ArrayList<TelEntry>();
//Check if the user wants to create a new person
Scanner checker = new Scanner(System.in);
System.out.println("would you like to add a directory entry(1 = Yes / 0 = NO!)"); //1 and 0 used for yes and no
question = checker.nextLine(); // Next line used to decide if the user wants to enter a persons details
if (question.equalsIgnoreCase("y")) //Do they want to ender a person? 1 == yes
{
while (question.equalsIgnoreCase("y")) // Add a loop so multiple people can be added
{
String name; // First name
String telNo; // Last name
// Create scanner for entering details
Scanner keybd = new Scanner(System.in);
//----------------------------------//
//User to enter details via keyboard//
//----------------------------------//
// Ask user to set first name
System.out.println("Enter their first name");
name = keybd.nextLine();
// Ask user to set last name
System.out.println("Enter their last name");
telNo = keybd.nextLine();
// -------------------------------------//
//Add the new person to personlist array//
//--------------------------------------//
directory.add(new TelEntry(name, telNo));
//-----------------------------------------------------------------------------//
// Check to see if the user wants to add another person, if Y then re-run loop //
//-----------------------------------------------------------------------------//
Scanner newChecker = new Scanner(System.in);
System.out.print("would you like to enter another person? (1 = Yes / 0 = NO!)");
question = newChecker.nextLine();
}
}
//--------------------------------------------------------------//
// User doesnt want to add any people to the persontest program //
//--------------------------------------------------------------//
if (question.equalsIgnoreCase("testmode"))
{
System.out.println("you are now in test mode")
}
else
{ // Provide the user with a witty retort
System.out.println("if your not going to use me for what I was designed to do, bugger off and bother someone else!");
System.out.println("Logging out");
passQ = "0"; // Reset password loop
// break;
}
}
}
}
}