FilesExpand file tree

 main

/

ConstructorRefGen3.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

32 lines (23 loc) · 734 Bytes

 main

/

ConstructorRefGen3.java

Copy path

Top

File metadata and controls

• Code
• Blame

32 lines (23 loc) · 734 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

import java.util.ArrayList;

import java.util.List;

interface ConstRef2<T extends List<? extends Number> > {

MyFunc2<T> func(T a);

}

class MyFunc2<T extends List<? extends Number> > {

public MyFunc2(T a) {

System.out.println("a = " + a );

}

}

//Interface <Type> must be = class MyFunc2<Type>

public class ConstructorRefGen3 {

public static void main(String[] args) {

ConstRef2<List<Integer>> ref = MyFunc2::new;

List<Integer> list = new ArrayList<>();

list.add(1);

list.add(2);

list.add(3);

list.add(4);

ref.func(list);

MyFunc2<List<Integer>> myFunc2 = ref.func(List.of(1,2,3));

}

}