Bug 8140 Code assist for anonymous inner types adds empty line
button.addActionListener(new ActionListener() { /* * @see ActionListener#actionPerformed(ActionEvent) */ public void actionPerformed(ActionEvent e) { } <--- here ---> }
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
status.setError(NewWizardMessages.getString("NewTypeWizardPage.error.TypeNameExists")); 
					return status;
				}
			}
		}
		return status;
	}
	
	/**
	 * Called when the superclass name has changed.
	 * The method validates the superclass name and returns the status of the validation.
	 * Can be extended to add more validation
	 */
	protected IStatus superClassChanged() {
		StatusInfo status= new StatusInfo();
		IPackageFragmentRoot root= getPackageFragmentRoot();
		fSuperClassDialogField.enableButton(root != null);
		
		fSuperClass= null;
		
		String sclassName= getSuperClass();
		if (sclassName.length() == 0) {
			
			return status;
		}
		IStatus val= JavaConventions.validateJavaTypeName(sclassName);
		if (val.getSeverity() == IStatus.ERROR) {
			status.setError(NewWizardMessages.getString("NewTypeWizardPage.error.InvalidSuperClassName")); 
			return status;
		}