Speaking of Getcontentpane (), I have to say the difference between frame and jframe.
JFrame inherits from frame, but jframe cannot add components directly through the Add method because JFrame
is not a container but a framework, if you want to add components to JFrame, you can pass Getconten
The Tpane () method gets JFrame's content pane, and here's a new question: what is Conte
What about NT pane? In fact, Content pane is a container that contains all the frames except the menu bar
)。 Each JFrame content pane contains all the components that the window can display. So
Getcontentpane () How to use this method? This is explained by the sample code:
JFrame JF = new JFrame ("Myjframe");
Container C = Jf.getcontentpane ();//create a container to easily add components to the frame
C.add (what you want to add);
Or, you can set the content pane by its corresponding method Setcontentpane () method:
JFrame JF = new JFrame ("Myjframe");
JPanel JP = new JPanel ();
Jf.setcontentpane (JP);
This article is from the "Beginner" blog, so be sure to keep this source http://beichengqiren.blog.51cto.com/8315726/1587210
Android Learning--getcontentpane ()