FilesExpand file tree

 master

/

test.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

47 lines (41 loc) · 1.03 KB

 master

/

test.java

Copy path

Top

File metadata and controls

• Code
• Blame

47 lines (41 loc) · 1.03 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

43

44

45

46

47

package Visibility;

import java.util.concurrent.TimeUnit;

/**

* Created with IntelliJ IDEA. Project: test-jar Author: Kevin Date:

* 16/5/23 Time: 下午2:58

*/

public class test {

private static boolean is = true;

public static void main(String[] args) {

new Thread(new Runnable() {

@Override

public void run() {

int i = 0;

while (test.is) {

i++;

// 会强制刷新主内存的变量值到线程栈?

// synchronized (this) { }

// System.out.println("1");

// println 是synchronized的,会强制刷新主内存的变量值到线程栈

// sleep 会从新load主内存的值?

// try {

// TimeUnit.MICROSECONDS.sleep(1);

// } catch (InterruptedException e) {

// e.printStackTrace();

// }

}

}

}).start();

try {

TimeUnit.SECONDS.sleep(1);

} catch (InterruptedException e) {

e.printStackTrace();

}

new Thread(new Runnable() {

@Override

public void run() {

is = false; // 设置is为false，使上面的线程结束while循环

}

}).start();

}

}