import java.util.Random;

public class ThreadStopTest {

    public static void main(String[] args) {
        Thread unstoppableThread = new Thread(new Runnable() {
            @Override
            public void run() {
                while (true) {

                    final byte[] content = new byte[1000];

                    for (int i = 0; i < 3000000; i++) {
                        // do nothing -> just to pollute memory
                        // and perdoem a decently expensive operation
                        StringBuilder builder = new StringBuilder();

                        int start = new Random().nextInt(content.length - 10);

                        builder.append(new String(content).substring(start, start + 10));
                        builder.toString();

                    }

                    System.out.println("and another iteration...");
                }
            }
        });

        unstoppableThread.start();

        unstoppableThread.interrupt();
        try {
            unstoppableThread.join();
        }
        catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println("FINISHED");


    }
}