JScrollPane
时间: 2024-05-19 10:13:54 浏览: 10
JScrollPane is a Swing component in Java that provides a scrollable view of a component, such as a JPanel or a JTextArea, that is too large to fit within the visible area of a container. It adds scroll bars to the component, allowing the user to scroll vertically, horizontally, or both to view the entire component.
The JScrollPane component consists of a viewport, which is the visible area of the component, and two scroll bars, one for vertical scrolling and one for horizontal scrolling. It also provides various methods to customize the behavior of the scroll bars, such as setting the scroll bar policy, which determines when the scroll bars are displayed.
JScrollPane is commonly used in GUI applications to display large amounts of data, such as tables or text areas, that would otherwise be difficult to view in their entirety. It provides a simple and efficient way to make such components scrollable and accessible to the user.
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