simpleDemo - ThreadDemo_Error.java

package demo;

public class ThreadDemo_Error {

    public static void main(String ... a){

        System.out.println("main 1");

        FakeWindow.doSomeThing();

        System.out.println("main 2");
    }

    static class FakeWindow {

        public static void doSomeThing()
        {
            new Thread(new RunableTemp()).start();
        }

    }

    static class RunableTemp implements Runnable{

        @Override
        public void run() {
            System.out.println("s1");
            try {
                Thread.sleep(3000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("s2");
        }
    }
}