/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Thread one = new Thread(Ideone::foo);
		Thread two = new Thread(() -> bar(0));

		one.start();
		two.start();

		System.out.println("main, foo and bar now execute concurrently...");

		one.join();
		two.join();
		
		System.out.println("foo and bar completed.");
	}
	
	static void foo() {

	}

	static void bar(int x) {

	}
}