/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class NoVisibility {
    private static boolean ready;
    private static int number;
    private static class ReaderThread extends Thread {
            public void run() {
                while (!ready);
                System.out.println(number);
            }
    }
    public static void main(String[] args) throws InterruptedException {
        new ReaderThread().start();
        Thread.sleep(1000);
        number = 42;
        ready = true;
    } 
}

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