jiangjiazhi / center

Authored by maliang about 9 years ago

Exists in master

Showing 1 changed file with 11 additions and 38 deletions

1	1	package center.manager.test.user;
2	2
3		-public class DeadLockTest implements Runnable {
4		- private int flag;
5		- static Object o1 = new Object(), o2 = new Object(); // 静态的对象，被DeadLockTest的所有实例对象所公用
	3	+public class DeadLockTest {
6	4
7		- public void run() {
8		-
9		- System.out.println(flag);
10		- if (flag == 0) {
11		- synchronized (o1) {
12		- try {
13		- Thread.sleep(500);
14		- } catch (Exception e) {
15		- e.printStackTrace();
16		- }
17		- synchronized (o2) {
18		- }
19		- }
20		- }
21		- if (flag == 1) {
22		- synchronized (o2) {
23		- try {
24		- Thread.sleep(500);
25		- } catch (Exception e) {
26		- e.printStackTrace();
27		- }
28		- synchronized (o1) {
29		- }
30		- }
31		- }
	5	+ public static void main(String[] args) {
	6	+ System.out.println(63 >> 3);
	7	+ System.out.println(62 >> 3);
	8	+ System.out.println(60 >> 3);
	9	+ System.out.println(56 >> 3);
	10	+ System.out.println(48 >> 3);
	11	+ System.out.println(32 >> 3);
	12	+ System.out.println(0 >> 3);
32	13	}
33	14
34		- public static void main(String[] args) {
35		- /*
36		- * DeadLockTest test1 = new DeadLockTest(); DeadLockTest test2 = new
37		- * DeadLockTest(); test1.flag = 1; test2.flag = 0; Thread thread1 = new
38		- * Thread(test1); Thread thread2 = new Thread(test2); thread1.start();
39		- * thread2.start();
40		- *
41		- */
42		- System.out.println(18 ^ 7);
43		-
	15	+ private static void printInfo(int num) {
	16	+ System.out.println(Integer.toBinaryString(num));
44	17	}
45	18	}