KwickClips Java · 39 sec · free
Which class groups controls together?
Short answer. JPanel, because it is a container.
Which class shows a pop-up message?
JOptionPane, with showMessageDialog.
Which class?
| Class | Does |
|---|---|
| JPanel | groups items |
| JTable | rows, columns |
| JOptionPane | pop-up box |
Remember
| JPanel: a container |
| JOptionPane: dialog box |
Group controls, show a table, pop up a message? Three classes do three jobs. JPanel groups controls in a box. JTable shows rows and columns. JOptionPane pops up a message box. JPanel is a container. JOptionPane shows a dialog box.
This clip is from the full lesson: GUI Applications in NetBeans: JFrame, JPanel, JTable and JOptionPane — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 11 Information Technology (802), CBSE Class 11 Information Technology (802)
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