content: /*
   * Copyright (C) 2009 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  public class Main {
      public static void main(String args[]) {
          Derived1 derived1 = new Derived1();
          Derived2 derived2 = new Derived2();
          Derived3 derived3 = new Derived3();
  
          derived1.start();
          derived2.start();
          derived3.start();
  
          try {
              derived1.join();
              derived2.join();
              derived3.join();
          } catch (Exception e) {
              System.out.println(e);
              return;
          }
  
          System.out.println(derived1.getValue());
          System.out.println(derived2.getValue());
          System.out.println(derived3.getValue());
      }
  }
  