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السلام عليكم ورحمة الله وبركاته

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لكن البرنامج يوقف بعد ويلكم

ولكم جزيل الشكر 

 

هذا الكود :

 

package javaapplication12;
import java.util.Random;
import java.util.Scanner;
public class JavaApplication12 {
public static String username;
Scanner input = new Scanner(System.in);
public static boolean a1;
public static void main(String[] args) throws InterruptedException {
final int threadCount = Runtime.getRuntime().availableProcessors();
long startTime = System.currentTimeMillis();
for (int th = 0; th < threadCount; th++) {

new Thread(new User()).start(); }
long endTime = System.currentTimeMillis();
String[] PSE1 = {("BKQRKNM::V"), ("Kwkv"), ("OXKC<G<"),
("RKTOB:Z:")};
User x1 = new User();
System.out.println("Log in:");
String a = x1.usere();
for (int i = 0; i < PSE1.length; i++) {
if ((x1.encrypt(a, 10)).equalsIgnoreCase(PSE1[i])) {
a1 = true; } }
System.out.println(a1);
if (a1 != true) {
System.out.println("run again");
}
Thread th1 = new Thread(new authentication());
long startTime1 = System.currentTimeMillis();
th1.start();
//start second thread after waiting for 2 seconds or if it's dead
try {
th1.join(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}
//start third thread only when first thread is dead
try {
th1.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
long endTime1 = System.currentTimeMillis();
long startTime2 = System.currentTimeMillis();
//System.out.println("enter the password ");
Thread th2 = new Thread(new authenticationpassword());
th2.start();
long endTime2 = System.currentTimeMillis();
try {
th1.join();
th2.join();

} catch (InterruptedException e) {// TODO Auto-generated catch block
e.printStackTrace();
}
/*
System.out.println("Time of thread " + (endTime - startTime) + "milliseconds" + "number of thread" + threadCount);
System.out.println("Time of thread next thread " + (endTime1 - startTime1) + " milliseconds");
System.out.println("Time of thread next thread " + (endTime2 - startTime2) + " milliseconds");
*/
}
static class User implements Runnable {
Scanner input = new Scanner(System.in);
public static String password, cipw;
String[] US = {("Raghad"), ("Amal"), ("Enas"), ("Hajer")};
String[] PS = {("Raghadc00l"), ("Amal"), ("Enas2w2"), ("Hajer0p0")};
String[] PSE1 = {("BKQRKNM::V"), ("Kwkv"), ("OXKC<G<"),("RKTOB:Z:")};
int time;
public static boolean z, a;
public User(int t) {
time = t; }
private User() {
}
public String usere() {
System.out.println("username: ");
username = input.next();
for (int i = 0; i < US.length; i++) {
if (username.equalsIgnoreCase(US[i])) {
z = true; }
}
if (z == true) {
System.out.println("password: ");
password = input.next();
} else {
System.out.println("run again");
}
return password;
}
// Encrypts text using a shift od s
public String encrypt(String text, int s) {
String plainText = text;
// key value should be from 0 to 25
int key = s;
plainText = plainText.toUpperCase();
char[] plainTextChar = plainText.toCharArray();
for (int i = 0; i < plainTextChar.length; i++) {
plainTextChar[i] = (char) (((int) plainTextChar[i] + key - 65) % 26 + 65); }
String result = String.valueOf(plainTextChar);
return result; }
@Override
public void run() {
for (int i = 0; i < time; i++) {
usere();
}} }
// Encrypts text using a shift od s
static class authentication implements Runnable {
Scanner input = new Scanner(System.in);
public static int num;
public void ath() {
// create instance of Random class
Random rand = new Random();
// Generate random integers in range 0 to 99999
int rand_int1 = rand.nextInt(100000);
// Print random integers
System.out.println("The Random Number: " + rand_int1);
System.out.println("Enter Random Number: ");
num = input.nextInt();
if (rand_int1 == num) {
System.out.println(" welcom " + username + " :) ");
} else {
System.out.println(" run again"); } }
@Override
public void run() {
ath(); } }
// Encrypts the password for usre want secur
static class authenticationpassword implements Runnable {
Scanner input = new Scanner(System.in);
public static int num;
public static char[] plainTextChar;
public static String[]hajeraccounts = {"Twitter : 123456 " , "Instagram : 321321 " , "Gmail : 87987858 "};
public static String[]enasaccounts={"Twitter : 123456 " , "Instagram : 321321 " , "Gmail : 87987858 "};
public static String[]amalaccounts={"Twitter : 2587412 " , "Instagram : 456258 " , "Gmail : 741474 "};
public static String[]raghadaccounts={"Twitter : 0147414 " , "Instagram : 4563217 " , "Gmail : 963852741 "};
/*
public void ath1() {
//enter the password to save on array and finsh input do encrptionpassword
System.out.println("enter the password ");
String[] US1 = new String[5];
for (int j = 0; j < US1.length; j++) {
US1[j] = input.next();
String plainText = US1[j];
// key value should be from 0 to 25
int key = 15;
plainText = plainText.toUpperCase();
plainTextChar = plainText.toCharArray();
for (int i = 0; i < plainTextChar.length; i++) {
plainTextChar[i] = (char) (((int) plainTextChar[i] + key - 65) % 26 + 65); }
String result1 = String.valueOf(plainTextChar);
System.out.println(result1); }
}  
*/

public void showpasses() {
    
    switch (username){
        case "Raghad" :  
         for (int i = 0; i < 3 ; i++)
         System.out.println(raghadaccounts[i]);
         
        case "Amal" :   
         for (int i = 0; i < 3 ; i++)
         System.out.println(amalaccounts[i]);
         
        case "Enas" : 
         for (int i = 0; i < 3 ; i++)
         System.out.println(enasaccounts[i]);
         
        case "Hajer" :
         for (int i = 0; i < 3 ; i++)
         System.out.println(hajeraccounts[i]); 
            
    }
        
    
}    
@Override
public void run() {
showpasses();
    //ath1();
}

}
}

كلمات دليلية: java جافا حوسبة متوازية