java8新增特性之lambda表达式

 1 public class LambdaTest {
 2 
 3     private static MathOperation sayHi = name -> {
 4         System.out.println("hi!, "+ name);
 5     };
 6 
 7     private static MathOperation sayHi2 = new MathOperation(){
 8         @Override
 9         public void operation(String name) {
10             System.out.println("hi!, "+ name);
11         }
12     };
13 
14     public static void main(String[] args) {
15 
16         sayHi.operation("tom");
17         sayHi2.operation("tom");
18     }
19 
20 }
21 
22 
23 interface MathOperation {
24     void operation(String name);
25 }