work

1. package cn.dustray;
2. import java.util.Random;
4. publicclassTestMain{
5. publicstaticfinalObject lock=newObject();
6. publicstaticboolean isGuessDone=false;
7. publicstaticint bingoNum;
9. publicstaticvoid main(String[] args){
11. MyRunnable1 ru1 =newMyRunnable1();
12. newThread(ru1).start();
13. MyRunnable2 ru2 =newMyRunnable2();
14. newThread(ru2).start();
15. }
16. }
18. classMyRunnable1implementsRunnable{
20. @Override
21. publicsynchronizedvoid run(){
22. while(!TestMain.isGuessDone)
23. try{
24. Thread.sleep(200);
25. synchronized(TestMain.lock){
26. setBingoNum();
27. }
28. }catch(InterruptedException e){
29. e.printStackTrace();
30. }
31. }
32. publicvoid setBingoNum(){
33. Random r =newRandom();
34. TestMain.bingoNum= r.nextInt(99)+1;
35. }
36. }
38. classMyRunnable2implementsRunnable{
39. publicstaticfinalint SMALLER=-1;
40. publicstaticfinalint BINGO=0;
41. publicstaticfinalint BIGGER=1;
43. @Override
44. publicvoid run(){
45. while(!TestMain.isGuessDone)
47. try{
48. Thread.sleep(200);
49. synchronized(TestMain.lock){
50. Random r =newRandom();
51. if(judgeNum(r.nextInt(99)+1)){
52. TestMain.isGuessDone=true;
53. }
54. }
55. }catch(InterruptedException e){
56. e.printStackTrace();
57. }
58. }
60. publicboolean judgeNum(int guessNum){
61. System.out.print("("+ guessNum+":"+TestMain.bingoNum+")");
62. switch(TestMain.bingoNum< guessNum? BIGGER:(TestMain.bingoNum== guessNum? BINGO: SMALLER)){
63. case SMALLER:
64. System.out.println("猜小了");
65. break;
66. case BINGO:
67. System.out.println("猜对了");
68. returntrue;
69. case BIGGER:
70. System.out.println("猜大了");
71. break;
72. }
73. returnfalse;
74. }
75. }