FilesExpand file tree

 master

/

ThrowsChecked.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

42 lines (41 loc) · 1.14 KB

 master

/

ThrowsChecked.java

Copy path

Top

File metadata and controls

• Code
• Blame

42 lines (41 loc) · 1.14 KB

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

33

34

35

36

37

38

39

40

41

42

// concurrent/ThrowsChecked.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.stream.*;

import java.util.concurrent.*;

public class ThrowsChecked {

class Checked extends Exception {}

static ThrowsChecked nochecked(ThrowsChecked tc) {

return tc;

}

static ThrowsChecked

withchecked(ThrowsChecked tc) throws Checked {

return tc;

}

static void testStream() {

Stream.of(new ThrowsChecked())

.map(ThrowsChecked::nochecked)

// .map(ThrowsChecked::withchecked); // [1]

.map(tc -> {

try {

return withchecked(tc);

} catch(Checked e) {

throw new RuntimeException(e);

}

});

}

static void testCompletableFuture() {

CompletableFuture

.completedFuture(new ThrowsChecked())

.thenApply(ThrowsChecked::nochecked)

// .thenApply(ThrowsChecked::withchecked); // [2]

.thenApply(tc -> {

try {

return withchecked(tc);

} catch(Checked e) {

throw new RuntimeException(e);

}

});

}

}