Executor

Main.java

import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class Main {

  static class MyRunnable implements Runnable {
    public void run() {
      vulnerableMethod();
    }
  }

  public static void main(String[] args) {
    ThreadPoolExecutor executor = new ThreadPoolExecutor(10 , 20, 5000, TimeUnit.MILLISECONDS, new LinkedBlockingDeque<Runnable>());
    executor.execute(new MyRunnable());
  }

  static void vulnerableMethod() {
    System.out.println("Pwnage hax0r 1337 c0d3");
  }
}