lambda表达式

public class demo1 {
    public static void main(String[] args) {
      Lambda1  lambda1 = new Lambda1() {
       @Override
       public void add() {
                System.out.println("起飞");
            }
        };
            Lambda1 lambda1 = (a)->{
            System.out.println("起飞"+a);
        };
    lambda1.add(2);
    }
}
interface Lambda1{
    void add(int a);
}