public class ResourceTest {
  public static void main(String[] args) {
    new ResourceTest();
  }
  public ResourceTest() {
    String name = "foo";
    System.err.println("getResourceAsStream()=="+getClass().getResourceAsStream(name)); 
    System.err.println("getSystemResourceAsStream()=="+ClassLoader.getSystemResourceAsStream(name)); 
  }
}