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java Programming Glossary: getobjectSlight confusion regarding overriding where variables are concerned http://stackoverflow.com/questions/12589274/slight-confusion-regarding-overriding-where-variables-are-concerned B extends A int x 6 public class CovariantTest public A getObject return new A public static void main String args CovariantTest.. c1 new SubCovariantTest System.out.println c1.getObject .x class SubCovariantTest extends CovariantTest public B getObject.. .x class SubCovariantTest extends CovariantTest public B getObject return new B The answer is 5 but I chose 6 . I understand..
How to add checkbox to JTree node to manage multiselection? http://stackoverflow.com/questions/12870908/how-to-add-checkbox-to-jtree-node-to-manage-multiselection if obj instanceof IconData obj IconData obj .getObject if obj instanceof FileNode return FileNode obj else return null.. m_expandedIcon null m_expandedIcon m_icon public Object getObject return m_data public String toString return m_data.toString..
Intentionally setting a Spring bean to null http://stackoverflow.com/questions/2163182/intentionally-setting-a-spring-bean-to-null factory bean jmsConnectionFactoryFactory factory method getObject I'm by no means a Spring expert. What would be the correct way.. NullFactoryBean implements FactoryBean Void public Void getObject throws Exception return null public Class extends Void getObjectType.. throws Exception return null public Class extends Void getObjectType return null public boolean isSingleton return true bean..
How to use Wicket's DownloadLink with a file generated on the fly? http://stackoverflow.com/questions/7646270/how-to-use-wickets-downloadlink-with-a-file-generated-on-the-fly as argument And make the Model generate the File in its getObject . A LoadableDetachableModel is a good choice given that load.. . IModel fileModel new AbstractReadOnlyModel public Object getObject return generateFile DownloadLink link new DownloadLink linkId..
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