Max in Lambda Expressions in Java 8

package nilpointer.net;

import java.util.ArrayList;
import java.util.List;

public class Demo {

	public static void main(String[] args) {

		List<Integer> numbers = new ArrayList<Integer>();
		numbers.add(5);
		numbers.add(2);
		numbers.add(11);
		numbers.add(-9);
		numbers.add(7);
		numbers.add(-4);

		long max1 = numbers.stream().min((number1, number2) -> number2 - number1).get();
		System.out.println("max 1: " + max1);

		long max2 = numbers.stream().filter(p -> p < 7).min((number1, number2) -> number2 - number1).get();
		System.out.println("max 2: " + max2);

	}

}
max 1: 11
max 2: 5