testsingletonsynchronized.java

来自「程序设计模式java入门源码大全」· Java 代码 · 共 32 行

public class TestSingletonSynchronized implements Runnable
{
  Thread thread;

  public static void main(String args[])
  {
    TestSingletonSynchronized t = new TestSingletonSynchronized();
  }

  public TestSingletonSynchronized()
  {
    DatabaseSynchronized database;

    database = DatabaseSynchronized.getInstance("products");

    thread = new Thread(this, "second");
    thread.start(); 

    System.out.println("This is the " + 
      database.getName() + " database.");
  }

    public void run() 
    {
      DatabaseSynchronized database = 
        DatabaseSynchronized.getInstance("employees");
      
      System.out.println("This is the " + 
        database.getName() + " database.");
    }
}