e820. creating a jscrollpane container.txt

这里面包含了一百多个JAVA源文件

The Swing components do not typically have scroll bars. In order to automatically display scroll bars, you need to wrap the component in a scroll pane. 
    // Create a scrollable text area
    JTextArea textArea = new JTextArea();
    JScrollPane scrollableTextArea = new JScrollPane(textArea);
    
    // Create a scrollable list
    JList list = new JList();
    JScrollPane scrollableList = new JScrollPane(list);