/* 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
	{
		List<String> pe = new ArrayList<String>();
 
		boolean resultado = pe.stream().anyMatch(t->t.equals("mama"));
		System.out.println(resultado);
		pe.add("mama");
		pe.add("meme");
 
		resultado = pe.stream().anyMatch(t->t.equals("mama"));
		System.out.println(resultado);
 
 
		System.out.println(pe);
		Optional<String> test = pe.stream().findFirst();
 
		if(test.isPresent()){
			System.out.println(test.get());
		}
		String post = test.get();
		System.out.println(post);
 
	}
}

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