import java.*

Listing 2: Controlling a resource in Java

// ResourceTest.java
class ResourceTest {
   public static void main(String[] args) {
      Consumer c = new Consumer();
      System.out.println
         ("Consumer created");
   }
}

class Resource {
   Resource() {}
}

class Consumer
{
   public Consumer() {
      res = new Resource();
   }
   private Resource res;
};