ttest.java

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import java.util.*;

public class ttest {
  public static void main(String args[]) {
    TestThread t1 = new TestThread();
    TestThread t2 = new TestThread();
    try {
      t2.start();
      t2.join();
      t1.start();
      t1.join();
    }
    catch (InterruptedException _) {
    }
  }
}

class TestThread extends Thread {
  int cnt = 0;

  TestThread() {
  }

  public void run() {
    while (cnt < 100) {
      System.err.println("run "+cnt);
      cnt++;
    }
  }
}

/* Expected Output:
run 0
run 1
run 2
run 3
run 4
run 5
run 6
run 7
run 8
run 9
run 10
run 11
run 12
run 13
run 14
run 15
run 16
run 17
run 18
run 19
run 20
run 21
run 22
run 23
run 24
run 25
run 26
run 27
run 28
run 29
run 30
run 31
run 32
run 33
run 34
run 35
run 36
run 37
run 38
run 39
run 40
run 41
run 42
run 43
run 44
run 45
run 46
run 47
run 48
run 49
run 50
run 51
run 52
run 53
run 54
run 55
run 56
run 57
run 58
run 59
run 60
run 61
run 62
run 63
run 64
run 65
run 66
run 67
run 68
run 69
run 70
run 71
run 72
run 73
run 74
run 75
run 76
run 77
run 78
run 79
run 80
run 81
run 82
run 83
run 84
run 85
run 86
run 87
run 88
run 89
run 90
run 91
run 92
run 93
run 94
run 95
run 96
run 97
run 98
run 99
run 0
run 1
run 2
run 3
run 4
run 5
run 6
run 7
run 8
run 9
run 10
run 11
run 12
run 13
run 14
run 15
run 16
run 17
run 18
run 19
run 20
run 21
run 22
run 23
run 24
run 25
run 26
run 27
run 28
run 29
run 30
run 31
run 32
run 33
run 34
run 35
run 36
run 37
run 38
run 39
run 40
run 41
run 42
run 43
run 44
run 45
run 46
run 47
run 48
run 49
run 50
run 51
run 52
run 53
run 54
run 55
run 56
run 57
run 58
run 59
run 60
run 61
run 62
run 63
run 64
run 65
run 66
run 67
run 68
run 69
run 70
run 71
run 72
run 73
run 74
run 75
run 76
run 77
run 78
run 79
run 80
run 81
run 82
run 83
run 84
run 85
run 86
run 87
run 88
run 89
run 90
run 91
run 92
run 93
run 94
run 95
run 96
run 97
run 98
run 99
*/