-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathTestAtomicStampedReference.java
More file actions
54 lines (50 loc) · 1.84 KB
/
TestAtomicStampedReference.java
File metadata and controls
54 lines (50 loc) · 1.84 KB
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
48
49
50
51
52
53
54
package Thread;
import java.util.concurrent.atomic.AtomicStampedReference;
public class TestAtomicStampedReference {
private static AtomicStampedReference<Integer> money = new AtomicStampedReference<Integer>(
19, 0);
public static void main(String[] args) {
for (int i = 0; i < 3; i++) {
final int timestamp = money.getStamp();
new Thread(() -> {
while (true) {
while (true) {
Integer m = money.getReference();
if (m < 20) {
if (money.compareAndSet(m, m + 20, timestamp,
timestamp + 1)) {
System.out.println("充值成功，余额:"
+ money.getReference());
break;
}
} else {
break;
}
}
}
}).start();
}
new Thread(() -> {
for (int i = 0; i < 100; i++) {
while (true) {
int timestamp = money.getStamp();
Integer m = money.getReference();
if (m > 10) {
if (money.compareAndSet(m, m - 10, timestamp,
timestamp + 1)) {
System.out.println("消费10元，余额:"
+ money.getReference());
break;
}
} else {
break;
}
}
try {
Thread.sleep(100);
} catch (Exception e) {
}
}
}).start();
}
}