package spo.labs.lab1;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.Set;

public class ThreadMain {
    private static int index = 0;

    public static void main(String[] args) throws InterruptedException {
        Scanner reader = new Scanner(System.in);
        char c = reader.next().trim().charAt(0);
        List<Thread> threadList = new ArrayList<>();
        CommonResource commonResource = new CommonResource();

        while (c != 'q') {
            switch (c) {
                case '+':
                    System.out.println("New Thread");

//                    thread.start();
                    new Thread(new ChildThreads(commonResource)).setName("Thread " + ++index);
                    Thread.currentThread().start();
                    threadList.add(Thread.currentThread());
                    break;

                case '-':
                    if (!threadList.isEmpty()){
                        System.out.println("Kill Thread");
                    }

                    break;

                case 'a':
                    System.out.println("All threads:\n");
                    Set<Thread> threadSet = Thread.getAllStackTraces().keySet();

                    for (Thread t : threadSet){
                        System.out.println("Thread " + t + " state: " + t.getState());
                    }

                    System.out.println("-----------------------------");
                    for (Thread thread1 : threadList){
                        System.out.println(thread1.getName() + " State:" + thread1.getState());
                    }

            }
            c = reader.next().trim().charAt(0);
        }
    }
}


package spo.labs.lab1;

public class CommonResource {
    synchronized void showString() {
        System.out.printf("%s \n", Thread.currentThread().getName());

//        try {
//            Thread.sleep(100);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
    }
}


package spo.labs.lab1;

public class ChildThreads implements Runnable {
    CommonResource resource;

    public ChildThreads(CommonResource resource) {
        this.resource = resource;
    }

    @Override
    public void run() {
        resource.showString();
    }
}