public Collection<String> getExternalDependencies() {
    // Take all dependencies...
    Collection<String> externalDependencies = new HashSet<String>(dependencies);

    // Remove those which are contained in this DU
    externalDependencies.removeAll(componentIDs);

    // Return what's left.
    return externalDependencies;
  }
public Collection<String> getExternalDependencies() {
    
    Collection<String> externalDependencies = new HashSet<String>(dependencies);

    
    externalDependencies.removeAll(componentIDs);

    
    return externalDependencies;
  }
public Collection < String > getExternalDependencies ( ) { // Take all dependencies...
 Collection < String > externalDependencies = new HashSet < String > ( dependencies ) ; // Remove those which are contained in this DU
 externalDependencies . removeAll ( componentIDs ) ; // Return what's left.
 return externalDependencies ; }
Method for obtaining the external dependencies for this DU, if any.
@return a Collection of external dependencies identifiers.
Method for obtaining the external dependencies for this DU if any .