java8学习

1、Function函数

1public static void main(String[] args) {
2      TestController t = new TestController();
3      new TestController().aaa(3,value -> t.bbb(value));
4}
5
6public int bbb(int b){
7        return b+100;
8}
9
10public void aaa(int a,Function<Integer,Integer> f){
11      Object apply = f.apply(a);
12      System.out.println("ggg:"+apply);
13}