多线程练习（java）

 1 public class TestThread
 2 {
 3     public static void main(String[] args)
 4     {
 5         RandomNumber r=new RandomNumber();
 6
 7         Thread1 t1=new Thread1(r);
 8         Thread2 t2=new Thread2(r);
 9
10         Thread thread1=new Thread(t1);
11         Thread thread2=new Thread(t2);
12
13         thread1.start();
14         thread2.start();
15     }
16 }

 1 public class RandomNumber
 2 {
 3     public int i;
 4     public int num[];
 5
 6     RandomNumber()
 7     {
 8         i=(int)(Math.random()*100)+11;
 9         num=new int[i];
10
11         for (int j=0;j<i;j++)
12         {
13             num[j]=(int)(Math.random()*100);
14         }
15     }
16 }

 1 //public class Thread1 extends Thread {
 2 public class Thread1 implements Runnable {
 3
 4     private int Thread1[];
 5     Thread1(RandomNumber rn)
 6     {
 7         //Thread1 = new int[rn.i];
 8         Thread1 = rn.num;
 9     }
10     public void run()
11     {
12         for(int i=0; i<Thread1.length; i++)
13         {
14             for(int j=0; j<Thread1.length-i-1; j++)
15             {
16                 if(Thread1[j] > Thread1[j+1])
17                 {
18                     int mid = Thread1[j];
19                     Thread1[j] = Thread1[j+1];
20                     Thread1[j+1] = mid;
21                 }
22             }
23         }
24         for(int i=0; i<Thread1.length; i++)
25         {
26             System.out.println(Thread1[i]);
27         }
28         System.out.println("Thread1打印完成。");
29     }
30 }  

 1 import java.util.Arrays;
 2
 3 public class Thread2 implements Runnable {
 4
 5     private int Thread2[];
 6     Thread2(RandomNumber rn)
 7     {
 8        // Thread2 = new int[rn.num.length];
 9         Thread2 = rn.num;
10     }
11
12   public void run()
13   {
14       Arrays.sort(Thread2);
15       for (int i=0;i<Thread2.length;i++)
16       {
17           System.out.println(Thread2[i]);
18       }
19       System.out.println("Thread2打印完成");
20   }
21 }