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私の2番目のクラス 'ZooAuthenticator'が私の最初のクラス 'authentiClass'で作成された他のメソッドを実行できない理由がわかりません。それはauthentiClass内のmainメソッドからmainメソッドを実行することができるようですが、それはそれについてです。助けてください、私はこのプログラムでほぼ完了しており、なぜこれが起こっているのか理解できません。メソッドは、メイン内の別のクラスから実行されません
package zooauthenticator;
import java.util.Scanner;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.io.*;
import java.io.BufferedReader;
import java.io.IOException;
class authentiClass {
public void sysStart1(){
System.out.println("--System Startup Sequence Now Loading--");
}
public void sysStart2(){
System.out.println(". . .");
}
public void sysStart3(){
System.out.println("Loaded!");
}
public void sysStart4(){
System.out.println();
System.out.println();
System.out.println("Welcome to the Central Zoo Keeping System!");
System.out.println("Admins and Users can log in below.");
}
private String original;
private String value;
private String value2;
private static String passwordToHash;
private static String generatedPassword;
public void authentiUser() throws java.io.IOException{
System.out.println("Enter Active Username: ");
BufferedReader bufferRead = new BufferedReader(new InputStreamReader(System.in));
value = bufferRead.readLine();
System.out.println(value);
System.out.println("Enter Active Password: ");
value2 = bufferRead.readLine();
System.out.println(value2);
String adminPass = "letmein";
String adminPass2 = "animal doctor";
String vetPass = "secret password";
String vetPass2 = "grizzly1234";
String zooPass = "alphabet soup";
String zooPass2 = "M0nk3y business";
if (value2.equals(zooPass) || value2.equals(zooPass2)){
System.out.println("Logged in!");
System.out.println("Hello, Zookeeper!\n" +
"\n" +
"As zookeeper, you have access to all of the animals' information and their daily "
+ "monitoring logs. This allows you to track their feeding habits, habitat "
+ "conditions, and general welfare.");
System.out.println("Press 0 to log out");
Scanner choice = new Scanner(System.in);
int c = choice.nextInt();
if (c == 0){
System.out.println("Logged out.");
}
}else{
}
if (value2.equals(vetPass) || value2.equals(vetPass2)){
System.out.println("Logged in!");
System.out.println("Hello, Veterinarian!\n" +
"\n" + "As veterinarian, you have access to all of the animals' health records. "
+ "This allows you to view each animal's medical history and current "
+ "treatments/illnesses (if any), and to maintain a vaccination log.");
System.out.println("Press 0 to log out");
Scanner choice = new Scanner(System.in);
int c = choice.nextInt();
if (c == 0){
System.out.println("Logged out.");
}
}else{
}
if (value2.equals(adminPass) || value2.equals(adminPass2)){
System.out.println("Logged in!");
System.out.println("Hello, System Admin!\n" +
"\n" +
"As administrator, you have access to the zoo's main computer system.");
System.out.println("This allows you to monitor users in the system and their roles.");
System.out.println("Press 0 to log out");
Scanner choice = new Scanner(System.in);
int c = choice.nextInt();
if (c == 0){
System.out.println("Logged out.");
}
}else{
}
}
public static void main(String[] args) throws NoSuchAlgorithmException
{
passwordToHash = "password";
generatedPassword = null;
try {
// Create MessageDigest instance for MD5
MessageDigest md = MessageDigest.getInstance("MD5");
//Add password bytes to digest
md.update(passwordToHash.getBytes());
//Get the hash's bytes
byte[] bytes = md.digest();
//This bytes[] has bytes in decimal format;
//Convert it to hexadecimal format
StringBuilder sb = new StringBuilder();
for(int i=0; i< bytes.length ;i++)
{
sb.append(Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1));
}
//Get complete hashed password in hex format
generatedPassword = sb.toString();
}
catch (NoSuchAlgorithmException e)
{
e.printStackTrace();
}
System.out.println(generatedPassword);
}
}
class ZooAuthenticator {
public void main (String[] args) throws NoSuchAlgorithmException, IOException{
new authentiClass().sysStart1();
new authentiClass().sysStart2();
new authentiClass().sysStart3();
new authentiClass().sysStart4();
new authentiClass().authentiUser();
new authentiClass().main(args);
}
}