186       }
 187     }
 188   }
 189 
 190   public static void main(String[] args) {
 191     Thread[] thrs = new Thread[THREAD_PER_CASE * 2];
 192     for (int index = 0; index < thrs.length; index = index + 2) {
 193       thrs[index] = new Case1Runner();
 194       thrs[index + 1] = new Case2Runner();
 195     }
 196 
 197     for (int index = 0; index < thrs.length; index ++) {
 198       try {
 199         thrs[index].join();
 200       } catch (Exception e) {
 201         e.printStackTrace();
 202       }
 203     }
 204   }
 205 }
 206 

 186             }
 187         }
 188     }
 189 
 190     public static void main(String[] args) {
 191         Thread[] thrs = new Thread[THREAD_PER_CASE * 2];
 192         for (int index = 0; index < thrs.length; index = index + 2) {
 193             thrs[index] = new Case1Runner();
 194             thrs[index + 1] = new Case2Runner();
 195         }
 196 
 197         for (int index = 0; index < thrs.length; index ++) {
 198             try {
 199                 thrs[index].join();
 200             } catch (Exception e) {
 201                 e.printStackTrace();
 202             }
 203         }
 204     }
 205 }